The supplement guide for skin longevity
The supplement aisle is overwhelming on purpose. Here's what actually has research behind it for skin health after 40.
Start here: food first
Supplements fill gaps. They don't replace a diet that's working against your skin. Get protein, colorful plants, healthy fats, and water dialed in first. Then consider these.
The ones worth taking
Collagen peptides (5 to 10g daily). Hydrolyzed collagen taken consistently improves skin density, elasticity, and firmness. Mix it into coffee or a smoothie. One of the most well-supported supplements for skin.
Omega-3s (250 to 500mg EPA/DHA). Reinforces the skin barrier from within, reduces inflammation, and helps skin hold moisture. Fatty fish two to three times a week works too.
Oral ceramides (20 to 40mg). Plant-derived ceramides taken orally plug leaks in the skin barrier and reduce transepidermal water loss. Less well-known but genuinely effective.
Vitamin D (test-based dosing). Supports skin immunity and barrier health. Most people over 40 are deficient. Get your levels tested before dosing.
CoQ10 (30 to 100mg). Supports cellular energy and antioxidant defense. Levels decline with age, making supplementation increasingly worthwhile after 40. Take with food.
The ones to consider if you want to go deeper
Glutathione, NAD precursors, and carotenoids all have supporting research for skin health. They're tier three — meaningful but not essential until the basics are covered.
The honest take
A short list of well-researched supplements taken consistently will do more than a cabinet full of trendy ones taken sporadically. Pick two or three. Take them daily. Give it three months.
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