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(Promo runs from 29/11/24 - 06/12/24)

Not Sure which type of Collagen is right for you?

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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
    Glow
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    Collagen Theory

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

    Regular price
    From £19.97
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    Regular price
    £26.99
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  • Boost
    Boost
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    Collagen Theory

    PURE PREMIUM BOVINE COLLAGEN

    Regular price
    From £11.19
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    Regular price
    from £12.99
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  • Synergy
    Synergy
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    Collagen Theory

    PURE PREMIUM MULTI COLLAGEN

    Regular price
    From £18.71
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    Regular price
    £23.99
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  • Radiant
    Radiant
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    Collagen Theory

    PURE PREMIUM MARINE COLLAGEN

    Regular price
    From £18.99
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    Regular price
    £26.99
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  • Creme De La Creme
    Creme De La Creme
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    Collagen Theory

    PREMIUM COLLAGEN CREAMER

    Regular price
    From £10.39
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    Regular price
    £13.99
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  • Bundle Package
    Bundle Package
    Collagen Theory

    PREMIUM COLLAGEN

    From £32.38
Over 1000 ★★★★★ Reviews!

Join the Collagen Theory Community!

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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

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