Supplements

Collagen vs whey protein — what each does, which is better for muscle building vs joints and skin, when to take each, and whether you should be taking both.

Best supplements for over 50 — what physiological changes make supplementation more important, and the evidence-based stack for energy, muscle, bone, and cognitive health.

L-Citrulline benefits explained — how it improves blood flow and endurance, strength training evidence, the right dose, and how it compares to citrulline malate.

Best calcium supplement compared — calcium citrate vs calcium carbonate, who actually needs to supplement, the vitamin D and K2 connection, and the right dose.

Methylfolate vs folic acid — what is the difference, who should switch, what MTHFR means for your supplements, and the right dose for pregnancy and general health.

Best iron supplement for 2026 — why iron bisglycinate beats ferrous sulphate for tolerability, who needs iron most, how to maximise absorption, and the right dose.

Best collagen supplement for skin compared — what the evidence actually shows, hydrolysed vs peptides, the role of vitamin C, and the dose that delivers results.

Best vitamin C supplement compared — forms, doses and what the evidence actually shows. How much to take, when to take it, and what it genuinely does for your health.

Best vitamin B12 supplement compared — why methylcobalamin beats cyanocobalamin, who is most at risk of deficiency, symptoms to watch for, and the right dose.

Best CoQ10 supplement compared — ubiquinol vs ubiquinone explained, who needs it most, the right dose, and why form matters especially over 40.