You wouldn't take a pill without knowing the exact dose, so why accept that from your supplement?

We Investigated the US's 25 Best-selling Collagen Products

Here's what we found - and why so many women take collagen for months without seeing any benefits.

Problem #1: 72% use only ONE source of collagen

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There are 28 types of collagen in your body, and they don't do the same job. Type I affects your skin, hair, and nails. Type II is concentrated in cartilage. Type III sits in skin and connective tissue.

Which means a single-source collagen can only offer you partial benefits at best.

Nearly three-quarters of America's best-selling products give you one source and market it for everything - skin, hair, nails, joints, bones. At best, you’ll see benefits in one area and nothing in the others.

Problem #2: 64% don't disclose the exact dosage of each ingredient

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This is the one most women have never heard of, and it's the reason the rest of this list is possible.

FDA rules require brands to list ingredients in order from heaviest to lightest. They do NOT require them to tell you how much of each one is in there. 

So a brand can group four or five ingredients together under a single number - a "blend" - and you have no way of knowing whether an ingredient makes up half the scoop or a speck of dust.

Two-thirds of the best-sellers we investigated do exactly this. And they’re counting on you not finding out.

Problem #3: 88% don't contain clinically effective dosages

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Every ingredient studied by researchers has a clinical dose attached to it - the amount that actually produced the result in the trial.

Below that amount, there's no evidence you'll get any benefits from taking it. 

Once the amounts are hidden, brands can put an impressive list of ingredients on the front of the jar with only a pinch of each one inside.

We had one of America's best-selling multi-collagen tested at a lab to find out how far this goes.

The clinically effective dose of marine collagen is 5g a day. Their product delivers 0.001g - 5,000 times less than the amount used in the studies.

Marine collagen is in the product name. It's in every ad they run.

But there is effectively NONE of it inside.

Problem #4: 41% contain artificial sweeteners

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Sucralose, acesulfame potassium, aspartame. 

These ingredients are cheap, intensely sweet, and useful for covering the taste of a formula that isn't pleasant on its own.

You're buying a product to support your health every single morning. 

But nearly half the biggest brands ask you to swallow lab-made sweeteners along with it.

Problem #5: 92% don't publish heavy metals test results

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Collagen comes from animals, and animals accumulate what's in their feed, water, and soil. 

Independent testing has repeatedly found lead, arsenic, and cadmium in collagen products sold in the US.

There's a simple way for a brand to prove its product is clean: send every batch to a third-party lab and publish the certificate.

Most of America's biggest collagen brands don't. 

Why Clinicol is the ONLY choice for women who are serious about their health

Bovine Collagen · 5g

Types I and III, the two that make up around 90% of the collagen in your body. Type I is the structural protein in your skin, hair, nails, and bones; Type III sits alongside it in skin and connective tissue. Hydrolyzed into peptides so your body can absorb them, and dosed at the 5g used in the clinical studies on skin elasticity and hair strength.

Marine Collagen · 5g

The most expensive collagen on the market, and the reason most brands only sprinkle it in. Marine collagen is Type I, with a smaller peptide size than bovine, and it's the source used in the studies on wrinkle depth and skin hydration. Those studies used 5g a day. Nothing more, nothing less.

Eggshell Membrane Collagen · 300mg

Types I, V, and X, plus naturally occurring hyaluronic acid, chondroitin, and glucosamine - the compounds your skin uses to hold moisture and your joints use to stay cushioned. 300mg is the clinically studied dose and it’s what you get with one daily scoop of Clinicol Multi-Collagen Superblend.

UC-II® Collagen · 40mg

Undenatured Type II collagen, the type concentrated in your cartilage. Unlike the others, UC-II works at a very small dose - 40mg is the amount used in the joint recovery trials, and going higher doesn't improve results. It's a patented ingredient, which means the studies behind it are specific to this exact form.

Types I and III, the two that make up around 90% of the collagen in your body. Type I is the structural protein in your skin, hair, nails, and bones; Type III sits alongside it in skin and connective tissue. Hydrolyzed into peptides so your body can absorb them, and dosed at the 5g used in the clinical studies on skin elasticity and hair strength.

The most expensive collagen on the market, and the reason most brands only sprinkle it in. Marine collagen is Type I, with a smaller peptide size than bovine, and it's the source used in the studies on wrinkle depth and skin hydration. Those studies used 5g a day. Nothing more, nothing less.

Types I, V, and X, plus naturally occurring hyaluronic acid, chondroitin, and glucosamine - the compounds your skin uses to hold moisture and your joints use to stay cushioned. 300mg is the clinically studied dose and it’s what you get with one daily scoop of Clinicol Multi-Collagen Superblend.

Undenatured Type II collagen, the type concentrated in your cartilage. Unlike the others, UC-II works at a very small dose - 40mg is the amount used in the joint recovery trials, and going higher doesn't improve results. It's a patented ingredient, which means the studies behind it are specific to this exact form.

What’s Inside
Each Serving?

Amount Per Serving
Energy 1501kJ/359kcal
Total Fat 0g
Of which saturate 0g
Total Carbohydrate 0g
Of which saturate 0g
Fibre 0.01g
Protein 9.5g
Salt 0.16g
Ingredients
Hydrolysed Fish Collagen (Type I) 5g
Hydrolysed Bovine Collagen (Type I & III) 5g
Eggshell Membrane Collagen (Type I, V, X) 300mg
Undenatured Chicken Collagen UC II® 40mg
Energy 1118kJ/267kcal
Total Fat 0g
Of which saturate 0g
Total Carbohydrate 2.8g
Of which saturate 0.4g
Fibre 0.06g
Protein 64g
Salt 0.09g
Ingredients
Hydrolysed Fish Collagen (Type I) 5g
Hydrolysed Bovine Collagen (Type I & III) 5g
Eggshell Membrane Collagen (Type I, V, X) 300mg
Undenatured Chicken Collagen UC II® 40mg

Every batch is tested and clinically effective. And we publish the results.

We use ISO-accredited third-party labs and test every batch before it ships. First internally to confirm the doses and then externally for contaminants.

Before a batch ships, our team confirms all four collagens are present at the exact amounts printed on the pouch. All batches come out with clinically effective dosages.

We screen every batch for lead, arsenic, cadmium, and mercury at Eurofins, so heavy metals that accumulate in animal feed or water never end up in your scoop. Click here to see the lab results.

View test results

Every batch is verified non-GMO - from the sourcing through to the finished formula, which contains nothing but what is on the label. Click here to see the lab results.

View test results

Clinically effective dosages to support your goals

Skin health

Skin health

Hair & nails

Hair & nails

Joint health

Joint health

Bone strength

Bone strength

Mobility & recovery

Mobility & recovery

Rated 4.7/5 from 900+ reviews

Clinicol Multi-Collagen Superblend

Created with clinical precision and higher dosages, Multi-Collagen Superblend is the most complete formula for women over 40 who want to support their health.
Promotes stronger joints + better mobility
Promotes tighter skin + thicker hair
Supports gut health + easier digestion
Each ingredient in clinically effective doses

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2. Select Flavor: Unflavored

3. Select Quantity:

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Most complete formula: Clinicol Multi-Collagen Superblend is the only blend in the US that includes clinically effective dosages of five collagen types from four different sources.

Purity: We reject artificial sweeteners and colorings and every batch is tested for heavy metals and GMOs.

Transparency: We don't hide behind proprietary blends. With Clinicol, you know exactly WHAT you're taking and HOW MUCH you're taking every day.

No Marketing Hype, No Fluff: We purposely left out the ingredients most brands use to pump up their labels: Vitamin C, biotin, etc. We're not here to confuse you with complicated formulas. You're getting 5 collagen types in clinically effective dosages. That's it.

Clinicol contains five collagen types (Types I, II, III, V & X) from four different collagen sources: bovine, marine, UC-II® chicken, and eggshell membrane. Each ingredient is properly dosed according to what the results show in clinical studies.


Clinicol also contains over 400 bioactive compounds that are found in these collagen sources. The list includes elastin, hyaluronic acid, glycine, proline, hydroxyproline, and other naturally occurring and highly bioavailable structural proteins and peptides.

Allergies

Clinicol is gluten-free, nut-free, non-GMO, and contains no synthetic sweeteners or colourings.

Note: Since it contains bovine collagen, it is not suitable for vegans.

Clinically Dosed

Every ingredient in Clinicol has been extensively researched through independent clinical studies, from in vitro and in vivo to randomized, double-blind, and placebo-controlled studies. From there, we made sure we included the exact dosages used in those clinical studies so you can get the same results for yourself.

Third Party Testing

Every single one of our batches undergoes rigorous testing to ensure quality and purity across label claims, heavy metals, and contaminants. In addition, we regularly conduct third-party laboratory testing to ensure our batches surpass quality and safety standards across 4 different heavy metals and GMOs.

Certifications

Clinicol is manufactured in a GMP-certified facility in the US and thoroughly tested for heavy metals and contaminants.

Each pouch contains 25 servings. Take the recommended dosage shown on the back of the pouch (changes depending on flavor) and mix it thoroughly in 200ml to 300ml of warm or cold liquid.

Multi-Collagen Superblend is designed for women over 40 to support tighter skin, stronger joints, thicker hair, healthier nails, and better digestion. However, collagen is not a miracle substance, and benefits are only seen after continued use.

If you're looking for deals and "cheap" solutions, Clinicol is probably not for you. We are collagen purists - we offer collagen in its cleanest form and nothing else.

But, if you are committed to taking collagen every morning to support your health and you want the best of the best, Clinicol is for you. And if that's the case, Clinicol is the last collagen supplement you'll ever have to buy. It simply does not get any better than this.

Packed With
Hydrolysed Bovine Collagen
Marine Collagen
UC-II® Chicken Collagen
Eggshell Collagen
Elastin
Hyaluronic Acid
Celtic Sea Salt

Frequently asked questions

Why aren't there any extras in this like vitamin C, biotin, hyaluronic acid?

Because they're the ingredients brands use to make a label look impressive. Adding eight names at 2mg each costs almost nothing and reads as a longer ingredient list. We'd rather spend the entire formula on four collagen types at the doses the research actually supports. You get clinically effective amounts of what you came for and nothing padding it out.

Why is Clinicol more expensive than the collagen I'm using now?

Because there's more in it. Marine collagen at a real 5g dose is one of the most expensive ingredients in this category, which is exactly why most big brands include a trace amount and hide it inside a blend. You're not paying more for the same thing - you're paying for clinically effective amounts that have already proved to give women the results they were looking for. 

When will I notice a difference?

Most women notice nails and hair first, usually somewhere between weeks four and eight. Skin hydration and elasticity tend to follow, and joint comfort is the slowest of the group. The clinical studies run 8 to 12 weeks, which is why we recommend giving it a full 90 days before you judge it. Taking a scoop here and there won't do it - consistency is what produces the results.

Can I cancel my subscription?

Any time, in one click, with no phone call and no email chain. You can also skip a delivery or change how often it arrives. We're not in the business of trapping anyone - a brand that needs a subscription trap to keep customers doesn't have a good enough product.

What if it doesn't work for me?

You're covered by our 90-Day Money-Back Guarantee - the full length of time we ask you to try it. If your hair isn't stronger, your skin isn't smoother, your joints don't feel easier, or you simply decide it isn't for you, email us and we'll refund you. You don't need to explain yourself.

What does it taste like, and how do I take it?

One scoop into coffee, tea, water, or a smoothie. The unflavored version is neutral and dissolves without clumping - no artificial sweeteners, so nothing needs covering up. Most women add it to their morning coffee and don’t notice the difference in taste.

When will my order arrive?

Orders typically ship within 24 hours and arrive 1-2 days later, with free shipping on every order, a special discount, and free gifts included if you choose our best-selling option.