Best Vitamin A Supplements AI pick
Chosen by an AI model from its trained knowledge, with its reasoning.
AI pick (brand): NOW Foods
When a clinician confirms a vitamin A deficiency, a plain single-nutrient softgel from a large tested brand is the sensible format, but most people should not supplement vitamin A at all.
Not for: People who are pregnant or trying to conceive, smokers (beta-carotene), anyone taking isotretinoin or acitretin, and people already on a multivitamin.
AI picks by need
For food-form A with D and omega-3
Nordic Naturals Arctic Cod Liver Oil (line)
It supplies vitamin A in its traditional food form alongside omega-3s.
Not for: People who are pregnant or taking other vitamin A sources, because the retinol adds up.
What the AI looks for in Vitamin A Supplements
- Preformed vitamin A upper limit
- The adult UL is 3,000 mcg RAE (10,000 IU) per day from retinol or retinyl esters, counting all sources. Chronic excess causes liver damage, bone loss and birth defects.
- Beta-carotene vs retinol
- Smokers and former heavy smokers should avoid high-dose beta-carotene supplements. The ATBC and CARET trials found increased lung cancer risk in smokers.
- Need first
- Supplement only for a diagnosed deficiency or malabsorption condition. Deficiency is rare where diets are varied, so routine single-dose vitamin A mostly adds risk.
Brands that matter
- NOW Foods: Plain vitamin A and beta-carotene softgels.
- Nordic Naturals: Cod liver oil as a food-form source.
- Solgar: Single-nutrient vitamin A options.
What to avoid
- 10,000 IU daily retinol products taken long term without medical supervision
- Stacking vitamin A with a multi and cod liver oil
- Any preformed vitamin A supplement during pregnancy unless prescribed