2024年11月21日 · This is a detailed review of vitamin D toxicity and how much vitamin D is considered too much. Toxicity is rare but can occur with extremely high doses.

High-dose vitamin D supplementation refers to intake levels significantly exceeding the National Institutes of Health (NIH) recommendations of 600 to 800 IU per day. Higher doses of vitamin …

ANDREW LESSMAN Vitamin D3 4000 IU 180 Capsules - High Potency, Essential for Calcium Absorption, Supports Bone Health, Healthy Muscle Function, Immune System, More. Small …

2024年12月20日 · In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 micrograms (mcg), of vitamin D should meet the needs of …

Theralogix Thera-D 4000 Vitamin D Supplement - 4,000 IU (100 mcg) Vitamin D3 Tablets - 90-Day Supply - Immune Support Supplement for Women & Men - Aids Bone & Heart Health - …

The largest trial to date of vitamin D supplements for diabetes prevention randomized 2,423 men and women age 25 years and older (mean age 60 years) with prediabetes and overweight or …

NOW ® Vitamin D-3 softgels supply this key vitamin in a highly-absorbable liquid softgel form. Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy …

If you choose to take vitamin D supplements, 10 micrograms a day will be enough for most people. Do not take more than 100 micrograms (4,000 IU) of vitamin D a day as it could be …

2023年2月28日 · We summarized reported harmful effects of a daily vitamin D supplement of 3200–4000 IU in trials lasting ≥ 6 months. We performed a systematic review and meta …