FREE UK SHIPPING OVER £20

FOR SAME DAY SHIPPING ORDER BY 2PM

PAY LATER WITH KLARNA

RECEIVE 10% OFF YOUR FIRST PURCHASE - SIGN UP

  • Featured In

What is Collagen and why is it essential?

EXPLORE HERE

Not sure which type of collagen is right for you?

Use our quick and easy Collagen Match Tool to find out which type of collagen suits your needs.

TAKE CONSULTATION

Why Choose Collagen Theory?

  • Egg Free

    Egg Free

  • Nuts Free

    Nuts Free

  • Soya Free

    Soya Free

  • PREMIUM <br>QUALITY

    PREMIUM
    QUALITY

  • AWARD WINNING <br>INGREDIENTS

    AWARD WINNING
    INGREDIENTS

  • LAB CERTIFIED <br>PURITY

    LAB CERTIFIED
    PURITY

Our Products

  • Glow
    Sold out
    Collagen Theory

    LIQUID MARINE COLLAGEN with added HYALURONIC ACID, VITAMIN C, B VITAMINS, ALOE VERA, GREEN TEA, GRAPE SEED

    From £19.97
    £26.99
  • Boost
    Sold out
    Collagen Theory

    PURE PREMIUM BOVINE COLLAGEN

    From £11.19
    from £13.99
  • Synergy
    Sold out
    Collagen Theory

    PURE PREMIUM MULTI COLLAGEN

    From £11.69
    from £14.99
  • Radiant
    Sold out
    Collagen Theory

    PURE PREMIUM MARINE COLLAGEN

    From £18.99
    £26.99
  • Creme De La Creme
    Sold out
    Collagen Theory

    PREMIUM COLLAGEN CREAMER

    From £10.39
    £12.99
  • Bundle Package
    Collagen Theory

    PREMIUM COLLAGEN

    From £32.38
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
  • Collagen Theory
Over 1000 ★★★★★ Reviews!

Join the Collagen Theory Community!

Collagen has been gaining popularity due to its numerous benefits. To reap the incredible benefits of collagen, you need products that meet the highest standards at an optimal concentration.

learn more

Best Sellers

  • Glow
    Sold out
    From £19.97
    £26.99
  • Synergy
    Sold out
    From £11.69
    from £14.99
  • Creme De La Creme
    Sold out
    From £10.39
    £12.99
  • On a Mission
    Sold out
    From £59.99
    £70.97
    £59.99

We Come Highly Recommended

Collagen theory is the only Collagen product that contains green tea, grape seed and aloe vera which is great for my skin and my weight loss goals. I noticed a more radiant glow to my skin after just 2 weeks! Highly recommended!

Katherine

Collagen theory’s products are now part of my beauty/fitness ritual and it is a less invasive and less expensive alternative to expensive Collagen fillers that do not last! I use a combination of Collagen theory quality products to achieve and maintain my beauty and fitness goals. The results are amazing!

Olivia

I have been using Collagen for just over a year now before a friend recommended Collagen theory’s products. I find that is far more superior than all the other products I have tried in terms of overall skin and health benefits. I am happy to join the Collagen Theory Family.

Jen

I got Collagen theory SYNERGY for my gran after trying their product myself and seeing great results. She is very pleased and tells me it helped her Joint aches. I don’t suffer with joint aches myself, but I do get bloated and I feel this has helped as well as great skin, hair and nails. They are also fairly priced.

Carly

Collagen Theory is my go-to for post workout clean protein supplement. I like that it is all natural, and even the liquid is sugar free. I feel fuller in the mornings when I supplement my porridge with Collagen Theory.

Chris

Your Cart

Proceed to checkout