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Excellent
5,134 reviews
Skin, Hair, Joints, Whole Body Benefits. This Is Collagen That Actually Works
Clinically dosed collagen at 10,000mg + 100mg Vitamin C. Grass-Fed Bovine. MSC-Certified Marine. Collagen, done properly.
In a 12 week trial, women reported...
73% saw an improvement in fine lines & wrinkles
80% felt their skin was more plump & hydrated
9/10 women would recommend Rheal
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Trusted by
Collagen Peptides
Daily collagen support for stronger hair, smoother skin and healthier joints.
Excellent · 5.9K+ Verified reviews
Subscription perks
×- Save 20% your first 3 months, then 15% off forever after.
- Free shipping on every single order.
- Skip, pause or cancel anytime.
Subscription perks
×- Save 20% your first 3 months, then 15% off forever after.
- Free shipping on every single order.
- Skip, pause or cancel anytime.
Rated 4.4/5 on Trustpilot · Over 2M+ Customers
frequently asked questions
What's the difference between Marine and Bovine collagen?
Marine collagen provides 100% Type I collagen peptides, sourced from wild-caught Norwegian cod, haddock and pollock. Type I is the dominant structural protein in skin, making marine the more targeted choice for skin hydration, elasticity, hair and nails. Bovine collagen provides Types I and III collagen peptides, sourced from European grass-fed cattle. Type III additionally supports joints, connective tissue, muscle and recovery - making bovine the more versatile whole-body option that also supports skin. Both contain 10,000mg of hydrolysed collagen peptides per serving with added Vitamin C. Not sure which to choose? Bovine covers all bases.
How long until I see results?
Collagen works by supporting your body's natural synthesis process over time - it isn't a fast-acting supplement and results build with consistency. In a 12-week double-blind, randomised, placebo-controlled clinical trial using 10g of our hydrolysed bovine collagen daily, 73% of participants showed measurable improvement in wrinkle length by week 6, with continued improvement through week 12. Most people notice early changes in skin texture and hydration from weeks 4–6, with the most significant and sustained results typically coming at week 12 and beyond. The ritual matters as much as the product - one scoop, every day.
Why is Vitamin C included?
Your body cannot synthesise collagen without Vitamin C - it's an essential co-factor in the collagen production process, not an optional addition. The European Food Safety Authority (EFSA) has approved the health claim: "Vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage." That's a regulatory body confirming what the science has long shown. Most collagen supplements don't include Vitamin C, assuming you're getting enough elsewhere - or they simply haven't thought beyond the collagen itself. We included it because the formula isn't complete without it.
Is Rheal collagen clinically backed?
Yes. The hydrolysed bovine collagen peptides in Rheal Collagen Peptides have been studied in a 12-week double-blind, randomised, placebo-controlled clinical trial published in the Journal of Pioneering Medical Sciences (April 2024). The trial involved 72 healthy women aged 40–65 taking 10g of hydrolysed bovine collagen daily. 73% of participants showed statistically significant improvement in wrinkle length by week 6, with further improvements in skin hydration and barrier function through week 12. Additionally, the Vitamin C in both formulas carries an EFSA-approved health claim for its role in normal collagen formation. For Marine collagen, clinical research on Type I hydrolysed marine collagen peptides has demonstrated improvements in skin elasticity, hydration and smoothness from four weeks of daily use at the 10g dose.
How do I take Rheal collagen?
Add one scoop (10g) to water, coffee, matcha, juice or any hot or cold drink. Both Marine and Bovine dissolve instantly - no clumping, neutral taste, no fishy odour from the Marine and no aftertaste from the Bovine. You can also stir into yoghurt or oats. For best results take daily and consistently - most people build it into their morning routine alongside breakfast or their first drink of the day. Our Collagen is designed to work with a ritual you already love.
How do I manage my subscription?
You can skip, pause, or cancel your subscription at any time through your account portal. There are no penalties or lock-in periods. Your subscription details are always fully within your control.
73%
saw an improvement in fine lines & wrinkles
80%
felt their skin was more plump & hydrated
2M+
Customers worldwide
9/10
women would recommend Rheal
collagen depletion
Did you know from around age 25, your body naturally starts producing less collagen?
From around the age of 25, your body’s natural collagen production begins to decline. It’s a gradual process that happens naturally over time - and modern lifestyles can make it even harder to support consistently.
Our Collagen Peptides were created to make that routine simple. One scoop a day delivers high-quality collagen in an easy addition to your daily ritual.
Now available in Bovine or Marine Collagen.
73%
saw an improvement in fine lines & wrinkles by week 6*
80%
felt their skin was more plump & hydrated
Limited Time Launch Offer • Save up to 58% + Free Shipping
What to expect
73% saw visible improvement in fine lines & wrinkles by week 6*
The EU grass-fed Bovine Collagen we use was put through a double-blind, placebo-controlled clinical study. Here’s what to expect:
What to expect
73% saw visible improvement in fine lines & wrinkles by week 6*
The EU grass-fed Bovine Collagen we use was put through a double-blind, placebo-controlled clinical study. Here’s what to expect:
week 4-6
Subtle Shifts Begin
Skin feels more hydrated. Nails may grow faster.
week 8-10
Noticeable Changes
Fine lines soften. Joint stiffness may begin to ease.
week 12+
The Compounding Effect
Sustained results. Where the trial participants saw the most significant change.
*Study published in the Journal of Pioneering Medical Sciences, April 2024.
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Rated 4.5 by 5,134 customers on Trustpilot
Hear Why Over 2M+ Customers Feel Rheal Good
Thousands of customers have made Rheal part of their everyday routine. Here is what they say.
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Backed by quality
Rheal vs The Rest.
Clinically dosed collagen at 10,000mg + 100mg Vitamin C. Grass-Fed Bovine. MSC-Certified Marine.
Rheal Collagen
Others
10,000mg dose per serving
Added Vitamin C
Traceable Sourcing
High Absorption Rate
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What's inside
Why Rheal Collagen?
No fillers. No unnecessary extras. Just what your body needs.
Simple Daily Ritual
How To Use
Add a 10g scoop of Rheal Bovine or Marine Collagen to a ritual you already love.
Add to coffee or matcha
Blend into smoothies or shakes
Add to overnight oats
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A Rheal Success in the Den
In 2021, Founders Charlotte and Sean faced their biggest test when they appeared on BBC One's Dragons' Den. Their pitch went down in history - all Dragons loved the brand, the products, and the company values.
That moment catapulted Rheal into becoming the fastest growing superfood brand in the UK, reaching over a million customers since launch.
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Every Scoop Backed by Quality, Not Marketing.
Our Collagen Peptides are made with quality and transparency at the core. Every ingredient is carefully sourced, fully traceable, and selected to support your daily wellness routine.
We only include ingredients with a purpose - no artificial additives, no fillers, and no unnecessary extras.
What’s on the label is exactly what you’re getting. Nothing more, nothing less.
Grass-fed Bovine
MSC-Certifed Marine Collagen
Vitamin C
10,000mg Collagen per serving
Limited Time Launch Offer • Save up to 58% + Free Shipping
We'll do good for you, and the planet too.
As a certified B Corp, every decision we make carefully considers our impact on the planet, our communities, wildlife, and ecosystems. This is not a marketing commitment - it is a legal one.
With every order placed, we plant a tree on your behalf through our charity partner, Ecologi. So far, we have planted over 2 million trees worldwide in areas affected by deforestation.
Ecologi Partner 2M+ trees planted
Certified B Corporation
frequently asked questions
You Have Questions?
We Have Answers.
What's the difference between Marine and Bovine collagen?
Marine collagen provides 100% Type I collagen peptides, sourced from wild-caught Norwegian cod, haddock and pollock. Type I is the dominant structural protein in skin, making marine the more targeted choice for skin hydration, elasticity, hair and nails. Bovine collagen provides Types I and III collagen peptides, sourced from European grass-fed cattle. Type III additionally supports joints, connective tissue, muscle and recovery - making bovine the more versatile whole-body option that also supports skin. Both contain 10,000mg of hydrolysed collagen peptides per serving with added Vitamin C. Not sure which to choose? Bovine covers all bases.
How long until I see results?
Collagen works by supporting your body's natural synthesis process over time - it isn't a fast-acting supplement and results build with consistency. In a 12-week double-blind, randomised, placebo-controlled clinical trial using 10g of our hydrolysed bovine collagen daily, 73% of participants showed measurable improvement in wrinkle length by week 6, with continued improvement through week 12. Most people notice early changes in skin texture and hydration from weeks 4–6, with the most significant and sustained results typically coming at week 12 and beyond. The ritual matters as much as the product - one scoop, every day.
Why is Vitamin C included?
Your body cannot synthesise collagen without Vitamin C - it's an essential co-factor in the collagen production process, not an optional addition. The European Food Safety Authority (EFSA) has approved the health claim: "Vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage." That's a regulatory body confirming what the science has long shown. Most collagen supplements don't include Vitamin C, assuming you're getting enough elsewhere - or they simply haven't thought beyond the collagen itself. We included it because the formula isn't complete without it.
Is Rheal collagen clinically backed?
Yes. The hydrolysed bovine collagen peptides in Rheal Collagen Peptides have been studied in a 12-week double-blind, randomised, placebo-controlled clinical trial published in the Journal of Pioneering Medical Sciences (April 2024). The trial involved 72 healthy women aged 40–65 taking 10g of hydrolysed bovine collagen daily. 73% of participants showed statistically significant improvement in wrinkle length by week 6, with further improvements in skin hydration and barrier function through week 12. Additionally, the Vitamin C in both formulas carries an EFSA-approved health claim for its role in normal collagen formation. For Marine collagen, clinical research on Type I hydrolysed marine collagen peptides has demonstrated improvements in skin elasticity, hydration and smoothness from four weeks of daily use at the 10g dose.
How do I take Rheal collagen?
Add one scoop (10g) to water, coffee, matcha, juice or any hot or cold drink. Both Marine and Bovine dissolve instantly - no clumping, neutral taste, no fishy odour from the Marine and no aftertaste from the Bovine. You can also stir into yoghurt or oats. For best results take daily and consistently - most people build it into their morning routine alongside breakfast or their first drink of the day. Our Collagen is designed to work with a ritual you already love.
How do I manage my subscription?
You can skip, pause, or cancel your subscription at any time through your account portal. There are no penalties or lock-in periods. Your subscription details are always fully within your control.
Promotional T&Cs:
The Starter Kit and Bundle options are introductory offers for first-time subscribers only. Your recurring subscription item(s) will be communicated to you in your account area and through any upcoming charge emails. If you return part or any of your order without the unused free promotional items, we reserve the right to charge you for the free items - this may be reflected in your refund amount. This offer cannot be combined with other promotions. Using multiple offers will void the free gift(s) in your order. Flavour of free wellness shot subject to change.
