Additionally, exposure to natural sunlight boosts vitamin D levels, which play a crucial role in bone health, immune function, and mood regulation. Studies have also indicated that spending time outdoors can lower blood pressure and reduce the risk of chronic illnesses, such as heart disease and ...
42. Paragraph 3 mainly tells us A. what vitamin D is B. where we can get vitamin D C. how much vitamin D we need D. why people don't like vitamin D 相关知识点: 试题来源: 解析 【答案】39.C 40.A 41. D 42.B 【解析】 【导语】本文介绍了维生素D对我们的健康很重要,以及我们如...
25‐HYDROXYVITAMIN DDIETARY INTAKEFOOD DATABANKFREE‐RANGE PIGSVitamin D3, vitamin D2, 25‐hydroxyvitamin D3 [25(OH)D3], and 25‐hydroxyvitamin D2 [25(OH)D2]constitute the vitamin D activity in food. In general, vitamin D activity in food depends on the food's fat content, the feed ...
Everything you need to know about vitamin D, from how much you need and how you can benefit from it to what can happen if you get too little or too much.
Natural Source:Vitamin D3 is the form our bodies produce naturally when exposed to sunlight. Dietary Sources:It’s found in animal-based foods like fatty fish (salmon, tuna, mackerel), egg yolks, and liver. Supplementation:Vitamin D3 supplements are widely available and often preferred due to...
Vitamin D is an organic compound that is one of the fat-soluble vitamins. The other fat-soluble vitamins are vitamins A, E, and K. Vitamin D can be naturally synthesized in the skin of humans and other animals in the presence of sunlight. Vitamin D plays a major role in calcium metabol...
The serum 25-hydroxyvitamin D concentration (25(OH)D) is the measure of vitamin D nutrition status. Human biology was probably optimized through natural selection for a sun-rich environment that maintained serum 25(OH)D higher than 100 nmol/L. These levels are now only prevalent in people ...
Retinol Why Your Skin Needs It If you’re looking to reduce fine lines and wrinkles and give your skin a youthful radiance, then retinol should be in your routine. This pure form of vitamin A helps slow down your skin’s natural aging process, as well as rebuild collagen and elastin, tw...
Do vitamin D pills work? So it's perhaps natural to assume that vitamin D supplements may help strengthen our bones and protect against fractures and falls. But a large review of the research, published in October, concluded that vitamin D supplements, in low or high doses,play no such ro...
rickets (which can lead to fractures and deformity), abnormal bone growth, and delayed physical development. A deficiency of vitamin D has also been linked to a greater risk of developing pregnancy complications such aspreeclampsiaandgestational diabetes, but more research is needed to confirm these...