As we age, our natural collagen levels drop, leading to fine lines, weaker joints, and thinning hair. Collagen supplements, available in powder or tablet form, support healthy skin, hair, nails, joints, and gut health – helping to restore what’s lost.
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Collagen is the most abundant protein in the body and acts as a structural building block for skin, hair, nails, joints, bones, and connective tissues. It helps maintain skin firmness and elasticity, supports joint flexibility, strengthens hair and nails, and even contributes to gut health. As natural collagen production declines with age, taking collagen supplements can help replenish levels and support overall health and appearance.
Yes, collagen supplements can work, especially when taken consistently over time. Research shows that collagen supplements may improve skin hydration and elasticity and reduce the appearance of fine lines, particularly in adults over 50.
In addition to skin benefits, collagen may also support joint health and stiffness.
The most effective collagen supplements are oral hydrolysed collagen peptides—either bovine (type I & III) or marine sourced. These are more bioavailable than collagen creams, which aren’t well absorbed through the skin. Marine collagen, such as Switch Nutrition Marine Collagen, is known for purity and absorption. Look for products with “hydrolysed peptides” on the label.
Most people notice results after around 8 weeks of daily use. Studies show improvements in skin texture and hydration between 2 and 6 months. Long-term benefits increase with consistency, so stick with your routine for best results.
Sprint Fit stocks some of the best collagen supplements that NZ customers trust:
These brands cater to different needs and preferences, with powders, capsules, and flavoured options available.
Most users tolerate collagen powder well. However, mild side effects can include digestive upset (e.g., bloating or diarrhoea), bad taste, or skin reactions like rashes, particularly with marine collagen if you have fish allergies. Rare reactions may occur in sensitive individuals, so always check ingredients. For most people, up to 10g daily for 6 months is considered safe.