Seven commonly discussed supplements for men over 40 — with an honest look at which testosterone and health claims are well-supported, and which are still emerging.
What vitamin A actually does, the NHS 1.5mg safety limit you need to know, and why not all “safe-sounding” retinol products are what they claim.
What magnesium actually does, how citrate and glycinate differ, and how to choose between two popular UK options — including safety notes on bisphosphonates.
What research genuinely supports about reishi, cordyceps and lion’s mane — honest about what’s established and what’s still early-stage lab research.
What research shows about collagen for skin, joints, hair and nails after 40 — real study data, honestly explained, without guaranteed timelines.
What biotin genuinely does for hair, skin and nails — the real EU-authorised claim behind it, and the one important blood-test interaction worth knowing.