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Vitamin D is a fat-soluble vitamin essential for maintaining a healthy immune system and optimal overall health. Vitamin D can be absorbed through the skin naturally after exposure to sunlight, obtained through diet or supplementation. Vitamin D plays a crucial role in maintaining strong and healthy bones and teeth and normal muscle function. Vitamin D also helps support mental wellbeing and may boost seasonal mood.

Health Claims:

  • Necessary for normal absorption and utilisation of calcium and phosphorus
  • Contributes to normal cell division
  • Necessary for normal bone structure
  • Contributes to normal blood calcium levels
  • Contributes to the maintenance of normal muscle function
  • Contributes to the maintenance of normal teeth
  • Contributes to the normal function of the immune system

Natural Sources: Sunlight, oily fish such as salmon and sardines, red meat, liver, egg yolks.

Formulated with integrity

The ingredients chosen for use in Pro You products are backed by the latest scientific research, or steeped in traditional use. We believe that the best health choice is an informed one, so for your reading, we’ve collated a selection of the most relevant unaffiliated studies that support the selections made by our lead scientist and naturopath when formulating our products

Published Research

This research is for informational use only. The results reported may not occur in all individuals. This information should not be read to recommend or endorse any specific products.

Hassan AB, Hozayen RF, Alotaibi RA, Tayem YI. Therapeutic and maintenance regimens of vitamin D3 supplementation in healthy adults: A systematic review. Cell Mol Biol (Noisy-le-grand). 2018 Nov 30;64(14):8-14. PMID: 30511630.

Carlberg C. Nutrigenomics of Vitamin D. Nutrients. 2019 Mar 21;11(3):676. doi: 10.3390/nu11030676. PMID: 30901909; PMCID: PMC6470874.

Bendik I, Friedel A, Roos FF, Weber P, Eggersdorfer M. Vitamin D: a critical and essential micronutrient for human health. Front Physiol. 2014 Jul 11;5:248. doi: 10.3389/fphys.2014.00248. PMID: 25071593; PMCID: PMC4092358.

Further Reading

The Benefits of Vitamin D

Medically reviewed by Debra Rose Wilson, Ph.D., MSN, R.N., IBCLC, AHN-BC, CHT — Written by the Healthline Editorial Team

April 7, 2020

What Is Vitamin D3?

By Yvelette Stines

October 16, 2020