Looking for the Best Collagen in the UK? How Swallow Pro Collagen Peptides Compares

Choosing a collagen supplement is harder than it should be. Some products offer very high doses of collagen but little else. Others combine collagen with long lists of additional ingredients without making it clear how much of each one you are actually getting.

So if you're looking for the best collagen supplement in the UK, the useful question isn't simply “Which has the biggest number on the front of the tub?” It is: what does the formula contain, how convenient is it to take, what evidence supports the key ingredients, and is there any independent reason to trust the product?

Swallow Pro Marine Collagen Peptides has also received independent endorsement from a judging panel of qualified UK nutritionists and practising dieticians, in the form of a Nourish Supps Award in the Beauty and Collagen category. Judges described it as “a thoughtful formulation promoting healthy skin and overall wellbeing.”

Swallow Collagen also enjoys strong positive customer feedback. At the time of writing, the product is rated 4.7/5 from 42 customer reviews, with 90% saying they would recommend it.

Swallow Pro Marine Collagen takes a different approach from a standard collagen-only powder. Two capsules provide 1,000mg of hydrolysed Type I marine collagen, 100mg hyaluronic acid, 50mg CoQ10, 2.5 billion CFU of Lactobacillus acidophilus and nine vitamins and minerals, including vitamin C, biotin, zinc and selenium. These are vital nutrients that are proven to help your body rebuild and maintain your own collagen and support your skin in numerous other ways. 

The result is not the highest-dose collagen supplement on the market. It is something different: a convenient, broad-spectrum beauty formula for people who want more than collagen alone.

Why Swallow Pro Collagen Peptides Is a Quality Skin Supplement

At a glance, Swallow offers:

• A 2025 Nourish Award in the Beauty and Collagen category

• 4.7/5 from 42 customer reviews, with 90% saying they would recommend it at the time of writing

• All 13 active ingredients and nutrients in two capsules per day

• Zero artificial additives

• Collagen fuel: 1,000mg hydrolysed Type I marine collagen peptides

• Skin hydration: 100mg hyaluronic acid

• Probiotics for the gut-skin axis: 2.5 billion CFU Lactobacillus acidophilus

• Vitamins for skin hair and nails health: Vitamin C, biotin, vitamin E, zinc, copper, selenium, riboflavin, niacin, CoQ10 and iodine

Most importantly, Swallow is not trying to compete with a large scoop of collagen powder purely on grams of collagen. Its advantage is the combination of a team of effective vitamins and nutrients that work together.

Independently Assessed by Nutrition Professionals

In the 2025 Nourish Awards, Swallow Pro Collagen Peptides received a 1-star award in the Beauty and Collagen category. Nourish states that its supplement entries are assessed by qualified nutrition professionals, with formulation and practical application forming part of that assessment.

Whilst Swallow was not named the single overall winner or “best collagen in the UK”, the award does provide independent professional assessment of the formulation. The Nourish judges described Swallow as:

“A clean, sustainably packaged collagen blend with supportive nutrients that reflects excellent quality and ethical sourcing - a thoughtful formulation promoting healthy skin and overall wellbeing.”

- Nourish Awards judges

This collagen blend was celebrated for its clean profile, thoughtful formulation and supportive nutrients. Judges valued the inclusion of vitamin C, zinc and selenium for skin and connective tissue health, along with the product’s sustainable packaging and responsible sourcing. The additive-free formulation, clear testing information and premium presentation contributed to strong feedback across the panel.

For shoppers who have not bought from Swallow before, that is useful evidence of quality that goes beyond the brand assessing its own product.

And What Do Swallow Customers Think?

Professional assessment tells you something about the formulation. Customer reviews tell you something different: whether people who actually bought the product were happy with their choice.

At the time of writing, Swallow Pro Marine Collagen Peptides has an average customer rating of 4.7 out of 5 from 42 reviews, and 90% of reviewers say they would recommend it.

One of the most useful reviews comes from a customer who had already tried other collagen supplements:

“I have tried many collagen supplements but these seem to have it all. A 1000mg of marine collagen together with vitamins and hyaluronic acid.”

Another reviewer makes much the same point:

“It’s not just collagen it has such a great mix of ingredients. It’s much more comprehensive than other products I’ve tried.”

Those comments get to the main reason Swallow stands out.

It isn't simply another source of collagen. It is designed to replace the need to buy several separate beauty supplements alongside your collagen.

Customer reviews represent individual experiences rather than clinical evidence, so they shouldn't be treated as proof that everyone will experience the same results. But the high recommendation rate is still useful when judging overall customer satisfaction.

What Makes Swallow Different From Other Collagen Supplements?

There are five features that matter most.

1. It combines collagen with hyaluronic acid and CoQ10

A standard collagen product may contain little more than hydrolysed collagen peptides.

Swallow provides:

1,000mg marine collagen + 100mg hyaluronic acid + 50mg CoQ10.

That matters if you are looking for a broader beauty supplement rather than collagen alone.

Even more importantly, the amounts are disclosed clearly. “With hyaluronic acid” does not tell you very much unless you know how much hyaluronic acid is actually present.

Swallow provides the dose of each major ingredient, making meaningful product comparisons much easier.

2. It includes nine vitamins and minerals alongside the headline ingredients

The formula also contains vitamin C, biotin, vitamin E, zinc, copper, selenium, riboflavin, niacin and iodine.

Several have authorised health claims directly relevant to a beauty formula.

For example:

• Vitamin C contributes to normal collagen formation for the normal function of skin.

• Biotin contributes to the maintenance of normal hair and skin.

• Zinc contributes to the maintenance of normal hair, skin and nails.

• Selenium contributes to the maintenance of normal hair and nails.

• Copper contributes to normal connective tissue formation and normal hair and skin pigmentation.

• Riboflavin and niacin contribute to the maintenance of normal skin.

• Iodine contributes to the maintenance of normal skin.

• Vitamin E contributes to the protection of cells from oxidative stress.

These are authorised claims under the Great Britain Nutrition and Health Claims Register, which governs permitted nutrition and health claims in commercial communications in England, Scotland and Wales.

That gives the wider formula a clear rationale: the product is built around collagen, but it doesn't rely on collagen alone.

3. It uses Type I marine collagen

Swallow uses hydrolysed marine collagen derived from fish and identifies it as Type I collagen.

Type I is the predominant collagen type in human skin, which is why marine collagen is particularly common in beauty-focused collagen supplements.

This doesn't make marine collagen automatically “better” than every bovine collagen product. Different collagen sources can suit different objectives.

But for someone specifically shopping for a marine collagen supplement for a skin-focused beauty routine, Type I marine collagen is a logical choice.

4. It comes in two capsules rather than a scoop of powder

A high-dose collagen powder has a clear advantage: it can fit several grams of collagen into one serving.

Capsules have a different advantage: convenience.

Swallow's serving is simply two capsules per day. There is nothing to weigh, mix or add to a drink.

That distinction matters because the best supplement on paper is not necessarily the best one for you. A product you are happy to take consistently may be more practical than a format you regularly forget or dislike using.

5. It contains no artificial additives

The product contains a vegetable HPMC capsule shell and a small rice extract blend, so it would be inaccurate to describe it as containing literally “no additives”. The more accurate claim is zero artificial additives, which is also how Swallow describes the formulation.

The Nourish Supps Awards judges praised the clean formulation, excellent quality and ethical sourcing”. 

For shoppers who actively compare fillers, colours and unnecessary artificial ingredients, that is another useful point of difference.

Swallow vs Collagen Powder: Which Is Better?

This is probably the most important comparison to make before buying. There is no honest answer in which one format wins every category.

If your number-one priority is consuming the largest possible amount of collagen, a high-dose powder may be a better choice.

That is worth stating clearly: Swallow is not the highest-dose collagen product available.

But collagen dose is not the only meaningful way to compare products.

Someone taking a plain collagen powder may also want to buy hyaluronic acid, CoQ10, biotin or other beauty nutrients separately.

Swallow's proposition is to put those elements into one two-capsule formula.

So the decision is less:

“Is 1g of collagen better than 5g or 10g?”

and more:

“Do I want a high-dose collagen-only product, or a lower-dose collagen supplement with a much broader beauty formulation?”

Those are two different products for two different priorities.

Who Is Swallow Pro Collagen Peptides Best For?

Swallow makes most sense if you:

• want marine Type I collagen rather than bovine collagen;

• want collagen primarily as part of a skin, hair and nail beauty routine;

• prefer capsules to powders or collagen drinks;

• want hyaluronic acid and CoQ10 alongside collagen;

• want vitamins and minerals relevant to skin, hair, nails and normal collagen formation in the same supplement;

• would rather take one broad beauty formula than buy several individual supplements;

• value clearly disclosed ingredient doses;

• prefer a product with independent award recognition and strong customer reviews.

There are also people for whom it is probably not the best choice.

Consider an alternative if:

• your overriding priority is the highest possible collagen dose;

• you specifically want a collagen powder;

• you are vegetarian or vegan;

• you have a fish allergy;

• you specifically want bovine collagen or a different collagen type.

That distinction is important.

The best collagen supplement isn't simply the one with the most impressive marketing. It is the one whose formulation best matches what you actually want from it.

What Does Swallow Pro Collagen Peptides Do?

Skin that looks a little less fresh, hair that feels finer, nails that keep splitting, or a general sense that everything has lost some of its former bounce - these are the everyday reasons people start looking at beauty supplements.

Swallow Pro Collagen Peptides approaches those concerns from several nutritional angles at once.

Alongside marine collagen, hyaluronic acid and CoQ10, it contains vitamins and minerals with authorised health claims for normal collagen formation, skin, hair, nails, connective tissue and protection from oxidative stress.

In Great Britain, only authorised health claims listed in the GB Nutrition and Health Claims Register may be used in commercial communications. These claims originated from a scientific assessment process designed to establish whether there is sufficient evidence for the stated physiological role.

But phrases such as “maintenance of normal skin” don't tell you much unless you understand what the nutrient is actually doing.

Vitamin C: For Skin That Feels Less Firm and Springy

When skin starts to feel a little less firm or doesn't seem to bounce back quite as readily as it used to, collagen is usually the first thing that comes to mind.

Swallow provides 60mg of vitamin C per daily serving. Vitamin C has an authorised health claim stating that it contributes to normal collagen formation for the normal function of skin.

Your skin's collagen isn't a fixed structure. Your body is continually producing and maintaining collagen as part of normal tissue turnover. Vitamin C is required for collagen biosynthesis. Without an adequate supply, the body cannot make and maintain collagen normally.

Think of the collagen peptides as supplying raw material, while vitamin C helps support the body's own collagen-making machinery. So this isn't simply a case of putting collagen and vitamin C together because they are both fashionable beauty ingredients. There is a genuine nutritional relationship between them: vitamin C supports the normal formation of the collagen your skin uses for structure.

Zinc, Biotin, Riboflavin, Niacin and Iodine: For Skin That Looks Tired or Lacklustre

When skin looks dull, rough or simply not quite as fresh as it normally does, it's easy to focus exclusively on creams and serums. Underneath the surface, however, skin is extremely busy. The epidermis continually renews itself. New cells are produced in its deeper basal layer, then mature and move upwards through the epidermis until they eventually become part of the outer skin barrier and are shed.

Swallow contains five nutrients with authorised claims for the maintenance of normal skin:

• Zinc

• Biotin

• Riboflavin (vitamin B2)

• Niacin (vitamin B3)

• Iodine

They reach the same authorised claim through quite different biological roles.

Zinc helps with the actual business of making new cells. Zinc is required by hundreds of enzymes and is involved in DNA synthesis, protein synthesis, cell signalling and cell division. Those jobs are especially relevant to a tissue that is constantly renewing itself. Every new skin cell needs DNA, proteins and the cellular machinery required to divide, grow and mature. So one useful way to understand zinc's role in normal skin is as a nutrient that supports the production and renewal of the cells skin is made from.

Biotin helps those cells process their fuel and building materials. Biotin acts as a helper for enzymes involved in the metabolism of fatty acids, glucose and amino acids. Those are important raw materials. Glucose can be used for energy, amino acids are used to build proteins, and fatty acids have structural and metabolic roles throughout the body. Skin also relies heavily on lipids in its outer layers. Those lipids help form the organised barrier that sits between your body and the outside world. Biotin therefore contributes at a very basic level: helping cells process the fats, carbohydrates and amino acids involved in normal cellular activity.

Riboflavin helps power the process. Vitamin B2 is converted into the coenzymes FAD and FMN, which play major roles in energy production, cell function, growth and the metabolism of fats. Making new cells, building proteins, maintaining cell membranes and carrying out all the other jobs required of healthy tissue takes energy. Riboflavin helps cells extract and use that energy. It also contributes to the protection of cells from oxidative stress, giving it a second useful role in the formula.

Niacin is another key part of the skin cell's energy machinery. Your body converts niacin into NAD and NADP - coenzymes used in hundreds of cellular reactions. NAD is heavily involved in turning energy from carbohydrates, fats and proteins into ATP, the form of energy cells can actually use. NAD also participates in DNA maintenance, gene regulation and communication between cells. NADP is involved in making fatty acids and maintaining cellular antioxidant function. That makes niacin relevant to several of the everyday jobs involved in skin renewal: producing energy, making lipids and maintaining normal cell function.

Swallow uses nicotinamide, a form of vitamin B3. 

Iodine helps set the metabolic pace. Iodine is needed to make the thyroid hormones T3 and T4. These hormones help regulate metabolic activity throughout the body, including protein synthesis and enzyme activity. Skin is a continuously renewing tissue, so normal metabolism matters. Cells need to grow, make proteins, use energy and carry out enzyme-controlled reactions at the appropriate rate. Iodine supports normal thyroid hormone production, which helps regulate that wider metabolic activity.

Put the five together and “maintenance of normal skin” suddenly says much more.

Zinc supports cell division and protein production. Biotin helps process fats, carbohydrates and amino acids. Riboflavin and niacin help cells produce and use energy. Iodine supports the hormones that regulate normal metabolism.

Together, they help support the constant cycle of making, fuelling and maintaining the cells that keep skin functioning normally.

Zinc, Biotin and Selenium: For Hair That Feels Finer or Less Strong

Hair has a habit of making small changes very noticeable. A ponytail can feel a little less substantial, strands can seem more fragile, or hair can simply lose some of the strength and gloss you were used to.

Hair follicles are remarkably active little structures. At the base of a growing hair, cells divide rapidly before producing the keratin-rich hair fibre that emerges from the scalp. Normal hair therefore depends on a steady cycle of cell division, protein production, energy metabolism and cellular protection.

Swallow includes three nutrients with authorised claims for the maintenance of normal hair:

Zinc contributes to the maintenance of normal hair. Zinc's role in cell division, DNA synthesis and protein synthesis makes sense here. Growing hair relies on rapidly dividing cells and large-scale protein production, because the hair shaft itself is predominantly made from keratin protein.

In simple terms, zinc supports some of the basic cellular processes needed to build and maintain hair normally.

Biotin contributes to the maintenance of normal hair. Biotin helps enzymes metabolise fatty acids, glucose and amino acids - including the nutrients cells use for energy and protein production.

Its reputation as a “hair vitamin” can sometimes get rather overenthusiastic, but its authorised claim has a solid nutritional basis: biotin supports the normal metabolism that underpins healthy tissues, including hair.

Selenium contributes to the maintenance of normal hair. Selenium becomes part of a family of proteins called selenoproteins. These proteins have important roles in antioxidant protection, DNA synthesis and thyroid hormone metabolism. So selenium's contribution is slightly different from zinc's. Zinc is heavily involved in building and dividing cells, while selenium is part of the systems that help those cells manage oxidative stress and normal metabolic signalling.

Together, zinc, biotin and selenium give the formula three complementary forms of nutritional support for normal hair maintenance.

Zinc and Selenium: For Nails That Keep Chipping or Splitting

There is a particular frustration in finally getting your nails to the length you want, only for one to split at precisely the wrong moment.

Nails, like hair, are made largely from keratin. They grow from actively dividing cells in the nail matrix beneath the skin at the base of the nail. Swallow contains two nutrients with authorised claims for the maintenance of normal nails:

Zinc supports DNA synthesis, protein production and cell division. Those processes are fundamental to producing new nail tissue as the nail continually grows forward.

Selenium forms part of selenoproteins involved in cellular antioxidant protection, DNA synthesis and normal metabolic processes.

That gives the pair complementary jobs: zinc supports the creation and growth of cells and proteins, while selenium contributes to the cellular systems that help maintain normal function and protect against oxidative damage.

This is also why the formula makes more sense when viewed as a complete skin, hair and nail supplement, rather than a skin supplement with a few extra vitamins added on.

Copper: For Skin That Doesn't Feel Quite as Bouncy as It Used To

When skin starts to feel less springy, collagen gets most of the attention, but collagen doesn't sit there by itself. It forms part of a wider connective-tissue framework that gives tissues their structure and mechanical support.

Swallow provides 500mcg of copper per daily serving, and copper has an authorised claim for the maintenance of normal connective tissues. Copper acts as a cofactor for enzymes involved in connective tissue synthesis, as well as energy production and several other essential processes. This means copper contributes to the body's ability to build and maintain the structural tissue in which collagen performs its job.

That gives it a particularly neat role in this formula: marine collagen provides collagen peptides, vitamin C supports normal collagen formation, and copper supports the normal connective tissue framework that collagen forms part of. 

Copper: For Maintaining Natural Hair and Skin Colour

Natural colour is another part of appearance that gradually changes over time. Your skin and hair get much of their colour from melanin, a pigment made by specialised cells. Copper has authorised claims stating that it contributes to normal skin pigmentation and normal hair pigmentation.

Copper is required by enzymes involved in normal pigment production, which helps explain why inadequate copper status can be associated with reduced pigmentation. Copper deficiency, for example, can cause hypopigmentation.

In practical terms, copper provides nutritional support for the body's normal pigmentation processes in both skin and hair. That makes it an unusually versatile beauty nutrient: it contributes both to connective-tissue maintenance and to normal pigmentation.

Vitamin E, Zinc, Selenium and Riboflavin: For Skin That Deals With Sunlight, Pollution and Everyday Life

Your skin has a full-time job as the boundary between you and the outside world. Sunlight, pollution and normal metabolism all contribute to the production of reactive molecules known as free radicals and other reactive oxygen species. The body manages these through its own antioxidant defence systems.

Swallow contains four nutrients with authorised claims stating that they contribute to the protection of cells from oxidative stress:

• Vitamin E

• Zinc

• Selenium

• Riboflavin

They don't all work in exactly the same way.

Vitamin E is a fat-soluble antioxidant. That is particularly interesting because cell membranes contain fats. Vitamin E can act within fatty environments and helps limit the chain reactions that occur when lipids are oxidised. In everyday language, vitamin E helps protect the fatty structures surrounding cells from oxidative damage.

Selenium is built into antioxidant enzymes. Several important selenoproteins - including glutathione peroxidases and thioredoxin reductases - form part of the body's own antioxidant defence machinery. Rather than acting as an isolated antioxidant floating around the body, selenium becomes part of proteins the body uses to manage oxidative stress.

Zinc supports numerous enzymes and cellular systems, including those involved in maintaining normal cell function and antioxidant defence. 

Riboflavin, meanwhile, forms the coenzymes FAD and FMN, which participate in energy metabolism and oxidation-reduction reactions throughout cells.

The overall benefit is easier to understand than the chemistry: these nutrients support several parts of the body's own system for protecting cells from oxidative stress. That is a useful addition to a beauty formula because healthy-looking skin starts with cells that are equipped to carry out their normal functions and deal with the everyday chemical stresses of life.

Why These Nutrients Work Better as a Group

Skin, hair and nails don't run on one “beauty nutrient”. They require cells to divide, proteins and lipids to be made, energy to be produced, metabolism to be regulated, connective tissue to be maintained and cells to be protected from oxidative stress. That is why the breadth of the Swallow formula matters.

So rather than seeing the added vitamins and minerals as a long supporting cast around the collagen, it is more useful to see them as different parts of the same beauty-nutrition system.

• Some help make and renew cells.

• Some help those cells access energy.

• Some support the production of structural proteins.

• Some support connective tissue.

• Some help maintain hair and nails.

• And some help protect cells from oxidative stress.

That is what turns Swallow from a straightforward collagen capsule into a broader skin, hair and nail formula.

Where Do Marine Collagen, Hyaluronic Acid and CoQ10 Fit In?

The vitamins and minerals provide the clearest authorised beauty-related health claims in Swallow, but they sit alongside three headline ingredients that many shoppers specifically look for in premium beauty supplements:

• 1,000mg hydrolysed Type I marine collagen peptides

• 100mg hyaluronic acid

• 50mg CoQ10

Each adds something different to the formulation.

Marine Collagen: The Structural Protein at the Heart of the Formula

Fine lines and gradually changing firmness are two of the main reasons collagen becomes interesting as we get older. Collagen is a major structural protein in skin, and Type I collagen is the predominant collagen type found there.

Swallow provides 1,000mg of hydrolysed Type I marine collagen peptides. Hydrolysis breaks the large collagen protein into smaller peptides before it is consumed, giving the formula its direct source of collagen-derived amino acids and peptides. 

The clever part of the wider formulation is what sits around it. Swallow combines those marine collagen peptides with vitamin C for normal collagen formation and copper for normal connective-tissue maintenance, rather than treating collagen as a completely standalone ingredient.

Hyaluronic Acid: A Familiar Part of Skin's Water-Loving Matrix

Skin that feels a little less plump or comfortably hydrated often puts hyaluronic acid firmly on the beauty radar. Hyaluronic acid is a substance naturally present in the body's connective tissues, including skin, and one of its standout physical properties is its ability to associate with large amounts of water. That water-binding quality is why hyaluronic acid has become such a familiar name in both topical skincare and beauty supplements.

Swallow provides 100mg per daily serving, alongside its collagen and supporting micronutrients. The authorised GB health claims discussed above belong to the relevant vitamins and minerals rather than hyaluronic acid itself, so the strongest way to describe its role here is as an additional component of the skin's natural extracellular environment included alongside the core nutritional formula.

CoQ10: Supporting the Cellular Energy Story

When skin looks tired, there is also an interesting cellular story going on underneath. Every active skin cell requires energy to divide, make proteins, maintain membranes and perform its everyday jobs. CoQ10 is naturally present in the body and plays an important role inside mitochondria, where cells produce much of their usable energy. It also participates in the body's antioxidant systems.

Swallow provides 50mg of CoQ10 per daily serving. That complements nutrients such as riboflavin and niacin, which are also heavily involved in cellular energy metabolism.

Again, the authorised beauty claims in this formula come from the vitamins and minerals rather than CoQ10. Its place in Swallow is therefore best understood as another component of a formula designed around normal cellular metabolism and beauty nutrition.

The Benefit of the Whole Formula

Look at Swallow ingredient by ingredient and there is plenty to talk about. Look at the formula as a whole and the positioning becomes much clearer. Two capsules provide:

1,000mg hydrolysed Type I marine collagen peptides
100mg hyaluronic acid
50mg CoQ10
2.5 billion CFU Lactobacillus acidophilus

plus vitamins and minerals that contribute to:

normal collagen formation for skin
maintenance of normal skin
maintenance of normal hair
maintenance of normal nails
maintenance of normal connective tissue
normal hair and skin pigmentation
protection of cells from oxidative stress

A high-dose collagen powder may suit someone whose priority is getting the largest possible amount of collagen peptides. Swallow is designed for the shopper looking at the whole beauty picture: collagen plus the nutrients involved in making and maintaining the skin, hair, nails and connective tissues around it.

Why the Nourish Judges' Comments Matter

The most useful part of an award is not the badge. It is understanding what the judges actually noticed. Nourish highlighted several things about Swallow:

The supportive nutrients.
This isn't collagen in isolation. Vitamin C, zinc, selenium and the other nutrients give the formula a much broader nutritional profile.

The clean formulation.
Swallow contains zero artificial additives, with a small natural rice extract blend included in the capsule formulation.

Sourcing and sustainability.
The product page states that its marine collagen is sourced from fish skins that would otherwise be a food-industry by-product. It also states that the product is manufactured in the UK in GMP-certified facilities and independently tested for purity, potency and contaminants.

So, Is Swallow One of the Best Collagen Supplements in the UK?

No credible collagen supplement can be declared the best choice for every person. If you want as many grams of collagen as possible per serving, Swallow probably shouldn't be your first choice. A large collagen powder can deliver considerably more. But if your priorities are different, the comparison changes.

Swallow combines:

• 1,000mg marine Type I collagen

• 100mg hyaluronic acid

• 50mg CoQ10

• 2.5 billion CFU Lactobacillus acidophilus

• nine vitamins and minerals

• two-capsule convenience

• zero artificial additives

It has also received a 2025 Nourish Award following assessment by qualified nutrition professionals, while current customer feedback gives it 4.7/5 from 42 reviews, with 90% saying they would recommend it.

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