Can You Take Beta-Carotene and Dunaliella Salina Together?

May affect absorption

The short answer

Dunaliella Salina is a natural source of mixed carotenoids (primarily beta-carotene). Taking it alongside additional Beta-Carotene supplements may lead to carotenoid absorption competition and excessive provitamin A intake.

How to arrange timing

Avoid combining Dunaliella Salina with separate Beta-Carotene supplements, as Dunaliella already provides significant beta-carotene.

Reference

Reference noted for this combination: Ben-Amotz A, Levy Y. Bioavailability of a natural isomer mixture compared with synthetic all-trans beta-carotene in human serum. Am J Clin Nutr. 1996;63(5):729-734.

Important context

Whether supplements suit you together also depends on dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.