Vitamin D recommended intake is at 400–800 IU/day or 10–20 micrograms. However, some studies suggest that a higher daily intake of 1,000–4,000 IU (25–100 micrograms) is needed to maintain optimal blood levels.
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Also be, is it OK to take 1000 mcg of vitamin D?
The current recommendations suggest consuming 400–800 IU (10–20 mcg) of vitamin D per day. However, people who need more vitamin D can safely consume 1,000–4,000 IU (25–100 mcg) daily. Consuming more than this is not advised, as it is not linked to any extra health benefits.
Same, can I take 60000 IU of vitamin D daily? 25OHD blood levels were 31.4, 102, 164, 148, and 143ng/ml. No one developed hypercalcemia or any adverse events. The major finding of this case series is prolonged daily dosing of vitamin D3 with doses of 10,000 to 60,000 IU was safely tolerated.
In the overall, what is 1000 IU in mg of vitamin D?
Previous ValueUpdated Equivalent
|800 IU||20 mcg|
|1,000 IU||25 mcg|
|2,000 IU||50 mcg|
How does vitamin D increase testosterone?
D-Aspartic acid is a natural amino acid that can boost low testosterone levels. Research suggests that it works mainly by increasing levels of follicle-stimulating hormone and luteinizing hormone, the latter of which stimulates Leydig cells in the testes to produce more testosterone ( 3 ).
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Some people may need a higher dose, however, including those with a bone health disorder and those with a condition that interferes with the absorption of vitamin D or calcium, says Dr. Manson. Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.
2000 IU is equivalent to 50 micrograms not mg. ... The value is expressed in IU (International Unit). For each substance it has a different mass equivalent. Specifically for the Vitamin D3 (cholecalciferol) 1 IU = 0.025 micrograms.
Vitamin D 5000 IU is a high-dose supplement that can help treat vitamin D deficiency, which occurs when people don't get enough vitamin D through the sun or their diet.
The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.
In terms of upper limits, there has never been a case of toxicity at levels below 200 ng/mL. It takes about 100 IU per day for every rise in blood levels of about 1 ng/mL, so to get all the way up to 200 ng/mL it would take 20,000 IU per day at a minimum, and probably more.
The safe upper limit of intake is set at 4,000 IU per day. Intake in the range of 40,000–100,000 IU per day (10–25 times the recommended upper limit) has been linked with toxicity in humans.
In patients with vitamin D levels less than 20 ng/mL, start with 50,000 IUs of vitamin D3 once a week for 6 to 8 weeks. After that, a dose of 800 to 2000 IU per day should be taken to maintain vitamin D levels above 30 ng/mL.
What Does 1000IU Mean In Vitamin D? 'IU' is a unit of measure, it stands for 'International Unit'. The IU measurement describes the potency of Vitamin D. 1000IU of Vitamin D is equivalent to 25µg.
20 mcg = 800 IU.
Vitamin D is an important vitamin that may boost testosterone levels, especially if your vitamin D levels are deficient.
Vitamin D plays an essential role in muscle growth and development  and in regulating muscle contractility . Numerous studies in animals and humans have demonstrated the effects of vitamin D deficiency on various aspects of muscle cell function [8-11].
Some side effects of taking too much vitamin D include weakness, dry mouth, nausea, vomiting, and others. Taking vitamin D for long periods of time in doses higher than 4000 IU (100 mcg) daily is possibly unsafe and may cause very high levels of calcium in the blood.