Collagen is everywhere right now. It's in your face cream, your protein powder, your morning coffee sachet, and about half the health supplements on the market. But for all the noise, most people aren't entirely sure what it actually does — or whether any of it is worth taking.
So let's clear it up, honestly, without the hype.
What is collagen, exactly?
Collagen is a protein. In fact, it's the most abundant protein in your body — making up about a third of your total protein content. It's essentially the scaffolding that holds everything together: your skin, joints, tendons, ligaments, cartilage, and even your gut lining all rely on it to maintain their structure.
Your body makes its own collagen naturally, but here's the catch: production starts to slow down in your mid-to-late twenties. By the time most people reach their forties, they're producing significantly less than they did in their teens. That's where the visible and physical signs start to show — skin that's a little less firm, joints that take longer to recover, nails that feel more brittle.
What the research actually says
The good news is that the science on collagen supplementation has come a long way. Studies have shown that taking hydrolysed collagen — a form that's been broken down into smaller peptides for easier absorption — can support skin elasticity and hydration, improve joint comfort and mobility, and help strengthen hair and nails.
The key phrase is "hydrolysed." Collagen molecules in their whole form are too large to be absorbed effectively through the gut. Hydrolysed collagen peptides, on the other hand, are small enough to enter the bloodstream and reach the tissues that need them. So when you're looking at supplements, that's the form you want.
Skin, joints, ageing — does it cover all three?
Yes — and that's what makes collagen one of the more versatile supplements around. For skin, regular collagen intake has been linked to improved firmness and reduced appearance of fine lines, with benefits typically becoming noticeable after 8–12 weeks. For joints, collagen helps maintain the cartilage that cushions them, which becomes especially relevant as we get older or more physically active.
It's also worth noting that collagen works synergistically with vitamin C. Your body needs vitamin C to synthesise collagen properly — so taking both together (or choosing a product that includes vitamin C) will generally give you better results than collagen alone.
When is it actually worth taking?
Collagen supplementation is most relevant if you're in your late twenties or older and starting to notice the effects of slower natural production. It's also worth considering if you're physically active (joints), recovering from injury, concerned about skin ageing, or eating a diet low in natural collagen sources like bone broth and fish skin.
If you're younger and eating a varied, protein-rich diet, your body is likely producing plenty of its own. But as a long-term investment in how your skin, joints, and body hold up over time, it's one of the supplements with the strongest evidence behind it.
The bottom line: collagen isn't magic, and it's not a quick fix. But taken consistently, in the right form, it's one of the most well-supported supplements for long-term skin and joint health — which makes it worth the shelf space.
Explore our Collagen range — formulated with hydrolysed peptides and vitamin C for maximum absorption.