Using sunscreen.
Wintertime & less sunny climates.
Darker skin tone (melanin blocks UVB rays, which produce vitamin D in the skin). Vitamin D deficiency symptoms vary depending on the individual, so consulting with a physician and testing vitamin D levels, as supplementing with too much vitamin D can cause elevated blood calcium levels which can have serious health effects. Measuring 25 hydroxy vitamin D levels is the preferred test for determining vitamin D deficiency; if the level is less than 80, taking a vitamin D3 supplement may be one of the most valuable steps you could take for long-term health. The liquid format of Optimal Vitamin D makes it simple to tailor the dose to fit your specific needs, and is easier to take than capsules, especially for small children. Optimal Vitamin D is free from fillers, flow agents, preservatives, or flavors. It contains no wheat, gluten, dairy, corn, soy, fish, shellfish, or nuts.
Each Serving Contains | Amount per Serving | % of Daily Value |
---|---|---|
Vitamin D-3 (Cholecalciferol) | 2000 I.U. | 500% |
* Percent of Daily Value Not Established |
Free from: Milk, Egg, Fish, Shellfish, Tree Nuts, Peanuts, Wheat, Soy, Gluten, GMO, Artificial Preservatives