What’s The Best Age To Start Taking Collagen?

09 Sep, 2025

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4 min read

If you’ve been hearing about collagen everywhere, it’s not just marketing hype. Collagen is the most abundant protein in the human body. It forms the structure of your skin, hair, nails, cartilage, bones, and blood vessels, think of it as the scaffolding that keeps everything strong and elastic. Without it, our skin would sag, our joints would stiffen, and even simple repair processes like healing a cut would take longer. ¹

But here’s the reality: from around your mid-20s, your body’s natural collagen production begins to slow. By the time you’re in your 40s, production can be down by as much as 25% compared to your younger years. ² This is one of the key reasons fine lines, wrinkles, and stiffness in joints start to creep in.

So, when’s the best age to start collagen?

There isn’t a single magic number, but understanding how collagen declines can help you make an informed choice.

In your 20s: Your body is still producing plenty, but the decline has already begun. Supplementing early can act as a preventative measure, helping to maintain skin firmness and joint strength before signs of ageing show.
In your 30s: This is when many people notice subtle changes: skin that isn’t quite as plump, or longer recovery times after exercise. Collagen supplements at this stage can help slow those changes and support skin elasticity. ³
In your 40s and beyond: At this point, collagen is about restoration as well as prevention. Supplements can improve skin hydration, reduce wrinkles, and support joint flexibility. ⁴ It’s never too late, studies show collagen supplementation still has measurable benefits later in life.

So, the short answer? Starting in your mid-to-late 20s is ideal, but collagen can be useful and effective at any age.

Why timing matters

The decline in collagen isn’t dramatic year-to-year, but it adds up. Many dermatologists compare it to a slow leak in a tyre: you don’t notice at first, but eventually it impacts performance. Starting collagen earlier means you’re maintaining levels before the decline becomes noticeable.

Think of it like skincare routines or even saving money, it’s easier to maintain than to catch up later. Studies suggest that taking hydrolysed collagen supplements for several months can improve skin elasticity and hydration while also reducing visible signs of ageing. ⁵

The other benefits of collagen

Collagen might be best known as a beauty supplement, but its benefits go deeper:

Joint and cartilage support: Collagen provides structure to cartilage, cushioning your joints and reducing stiffness. ⁶
Bone health: Collagen fibres form the framework for your bones. Lower collagen with age contributes to bone density loss. ⁷
Hair and nails: Supplementing collagen has been shown to reduce brittle nails and support hair thickness. ⁸

When combined with nutrients like Vitamin C (needed for collagen synthesis) and hyaluronic acid (for hydration), the effects can be even stronger.

Is it ever too late to start collagen?

This is a common concern, especially for people in their 50s or 60s. The good news is that research shows collagen supplementation can still deliver results, particularly for skin hydration, wrinkle depth, and joint health, even when started later in life.

So while it may be “best” to start in your 20s or 30s, it’s never too late to see benefits.

So, what’s the best age to start collagen supplements? The honest answer: as soon as you’re ready. Your mid-20s are a smart starting point for prevention, your 30s and 40s are when collagen can help slow visible changes, and even beyond, collagen supports skin, joints, and overall vitality.

The key is choosing a high-quality collagen that your body can absorb, ideally paired with Vitamin C. With consistent use, you’ll be investing not just in glowing skin, but in stronger joints, healthier hair and bones that can carry you through the years ahead.

We recommend Marine Collagen with Hyaluronic Acid, Vitamin C and Zinc formulated to support skin glow, joint comfort and everyday vitality.