If you want a convenient, high-dose vitamin D option, HumanN’s Vitamin D3 Chews deliver with both function and flexibility. Each individually wrapped chew provides 5,000 IU of vitamin D3, paired ...

Some K2 vitamin supplements are made without GMO ... A. Vitamin K is not harmful in high doses. ... Many users felt that these supplements improved their quality of life when paired with vitamin D3.

When prothrombin levels are low, vitamin K may be prescribed to prevent bleeding. Sometimes, a vitamin K injection may be given to counteract the effects of a too-high dose of the blood ... routine ...

Shieh A, et al. Effects of High-Dose Vitamin D2 Versus D3 on Total and Free 25-Hydroxyvitamin D and Markers of Calcium Balance. J Clin Endocrinol Metab. 2016 ;101(8):3070-8. Ao T, et al.

Vitamin K2: What It Is, ... Added K2 works synergistically with Vitamin D3 to ensure maximum calcium utilization; ... unless you’re taking an extremely high dose frequently, ...

Taking high doses of vitamin K2 is unlikely to cause adverse health effects. Doses of vitamin K2 up to 45 milligrams (45,000 micrograms) have safely been used in studies for up to two years.

Researchers randomly assigned participants to daily oral doses of vitamin D3 (liquid drops) at 400 IU (n = 109), 4,000 IU (n = 100) or 10,000 IU (n = 102), with calcium supplementation provided to ...

Vitamin D supplements may have other benefits, but in otherwise healthy folks with sufficient levels of the nutrient, "our findings do not suggest benefits of long-term moderate- or high-dose ...

Q: I have been diagnosed with vitamin D toxicity, according to the blood work from a month ago — my result was 122 ng/mL. I was taking high doses of vitamin D3 in pill form (15,000 IU a day for ...

Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and women, according to a new study from the University ...