Most vitamin D supplements have 25 mcg to 50 mcg. The vitamin D supplement from Life Extension offers 125 mcg or 5,000 IU, which is significantly more than other brands.

Vitamin D2 is plant-based, while vitamin D3 comes from animal products and sunlight. ... (ercalcidiol), while vitamin D3 is turned into 25-hydroxyvitamin D3 ... (10 mcg) Children 1-13 years: 600 ...

Active ingredient(s) (serving strength): vitamin A 1500 mcg RAE (167% DV), vitamin C 60 mg (67% DV), vitamin D 25 mcg (125% DV), vitamin E 20.1 mg (134% DV), vitamin K 80 mcg (67% DV), thiamin 1.5 ...

The variations of vitamin D are all essential nutrients for our bodies, but you may find yourself asking: what’s the difference between vitamin D and D3? And how can you make sure that you’re getting ...

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, ... Almost all successful anti-fracture clinical trials have used vitamin D3 at a dosage of at least 800 IU/day (20 mcg per day).

The average older adult’s recommended Daily Value of vitamin D is 20 micrograms, which is equal to 800 international units (IU). For reference, one egg and a 3-ounce can of tuna each have above ...

May 25, 2025. Vitamin D is crucial ... Each dose contains 125 mcg (5000IU) of Vitamin D3, 120 mcg of Vitamin K, and 250mg of Omega 3, making it a comprehensive 4-in-1 supplement.

Forno E et al. Effect of Vitamin D3 Supplementation on Severe Asthma Exacerbations in Children With Asthma and Low Vitamin D Levels. JAMA Network . August 25, 2020.

If the vitamin D blood test was 30 ng/ml (75 nmol/L) and a 40 ng/ml (100 nmol/L) level was desired, 1,000 IU (25 mcg) of vitamin D per day over several months should be taken to achieve a normal ...

Even though vitamin D is critical for overall health, research suggests that an estimated 25% of Americans are deficient in it. This could be because there are few food sources of vitamin D, and ...