Eye health rarely gets its own supplement conversation, despite genuine, well-documented research behind macular carotenoids and astaxanthin. Here’s what that research actually supports — including a claim worth correcting that risks encouraging more sun exposure than is genuinely safe.
Vitamin C and elderberry are two of the most recognisable immune-support ingredients on the shelf, frequently sold together. Both have genuine research behind them — and vitamin C at higher doses carries a specific, well-documented risk that applies mainly to men, worth knowing before you buy.
Psyllium, digestive enzymes, peppermint oil, apple cider vinegar and activated charcoal all get filed under “digestive support,” but each carries its own specific safety profile. One of them — activated charcoal — comes with a timing rule genuinely worth understanding properly, not skimming.
Spirulina, sea moss and moringa all get filed under “superfoods” or “greens powders,” but they’re genuinely different ingredients with genuinely different safety profiles. Here’s what UK-relevant research actually shows for each — including a contamination risk and a marketing claim worth correcting.
Berberine has been called “nature’s Ozempic” across social media, largely for its research on blood sugar. What’s less widely reported: European food safety regulators currently have an active, unresolved review into berberine’s safety, and haven’t yet been able to establish a safe intake level. Here’s what’s actually settled, and what genuinely isn’t.
Valerian, 5-HTP and L-theanine are all sold as gentler alternatives to melatonin, but they work through different mechanisms and carry different levels of risk. One of them in particular has a genuine, serious interaction that’s worth understanding clearly before you buy — not a minor caveat.
Welcome to VitMax UK’s Health Tips & Guides — evidence-based information on vitamins, supplements and everyday wellness, written for a UK audience. Every guide is researched and checked against current studies and UK/EU regulatory guidance before publication, covering topics from vitamin D during darker months to omega-3 for heart health, magnesium for sleep, and adaptogens for stress.
I don’t chase hype. Where the research behind a supplement is strong, I say so; where it’s early, mixed, or limited, I say that too — so you can make an informed decision rather than take a marketing claim at face value.
Browse the guides below by topic, or head to my Supplement Picks for the specific products referenced throughout these guides.