Vitamin A has a well-established role in vision and immune function, but it’s one of the few nutrients where the UK’s actual safety limit is stricter than many general sources suggest — the NHS advises no more than 1.5mg (1,500mcg) daily from supplements, not the higher figures sometimes quoted elsewhere. This matters even more if you’re pregnant or trying to conceive, where preformed vitamin A should be avoided entirely. For the full picture, see our complete guide to Vitamin A. Below you’ll find our picks, chosen with this UK-specific limit in mind.
Vitamins & Minerals
Vitamins & Minerals
Vitamins & Minerals
Choosing a Vitamin A Supplement — With the Right Limit in Mind
Beta-carotene (which the body converts as needed) is generally the safer choice for regular, long-term use, since the body regulates how much it converts — preformed retinol carries genuine accumulation risk and is more appropriate for a diagnosed deficiency under GP guidance. Whichever form you choose, check the actual vitamin A content per serving against the NHS’s 1.5mg (1,500mcg) daily supplement limit, and count any multivitamin or regular liver consumption toward that same total. If you’re pregnant or planning pregnancy, avoid vitamin A supplements (including fish liver oil) and liver entirely — this is clear NHS guidance, not a general caution. Our full guide covers dosing, forms, and safety in complete detail.