Beta-Carotene and Vitamin D: study protocols

5 study groups took Beta-Carotene together with Vitamin D. These are the doses the studies gave. They are not a recommendation.

Fewer than 5 study groups in one unit match, too few to draw the chart.

Commonly used together

5 of 5 study groups took Beta-Carotene and Vitamin D with something else, but nothing that 3 or more different studies gave.

5 study groups

Study
Maternal B-vitamin and vitamin D status before, during, and after pregnancy and the influence of supplementation preconception and during pregnancy: Prespecified secondary analysis of the NiPPeR double-blind randomized controlled trial 2023 · intervention · Women planning pregnancy; generally healthy, recruited before conception	720 mcg	10 mcg	—	870
Fat-Soluble Vitamin Supplementation Using Liposomes, Cyclodextrins, or Medium-Chain Triglycerides in Cystic Fibrosis: A Randomized Controlled Trial 2021 · Liposomal group · Patients aged 16–55 years with pancreatic-insufficient cystic fibrosis	4 mg	—	90 days	25
Fat-Soluble Vitamin Supplementation Using Liposomes, Cyclodextrins, or Medium-Chain Triglycerides in Cystic Fibrosis: A Randomized Controlled Trial 2021 · Cyclodextrin group · Patients aged 16–55 years with pancreatic-insufficient cystic fibrosis	4 mg	—	90 days	25
Fat-Soluble Vitamin Supplementation Using Liposomes, Cyclodextrins, or Medium-Chain Triglycerides in Cystic Fibrosis: A Randomized Controlled Trial 2021 · MCT group · Patients aged 16–55 years with pancreatic-insufficient cystic fibrosis	4 mg	—	90 days	25
Multinutrient-fortified juices improve vitamin D and vitamin E status in children: a randomized controlled trial 2014 · CaDEA · Children aged approximately 8 years	2,000 IU	200 IU	12 weeks	—