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.
How much vitamin D can you safely take every day?
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.
Can I take 10000 IU of D3 daily?
The Endocrine Society Practice Guidelines recommend that
up to 10,000 IUs daily was safe for adults
. This is in contrast to the recommended UL at 4,000 IU/d from the IOM.
Is 50000 IU vitamin D too much?
While the upper limit of this recommendation is 2,000 IU per day, research shows that
high doses of vitamin D (10,000 to 50,000 IU daily) may be necessary for patients who have a history of malabsorption
. While vitamin D toxicity (also called hypervitaminosis D) is rare, it can have serious side effects.
What is the difference between vitamin D and vitamin D3?
There are two possible forms of vitamin D in the human body: vitamin D2 and vitamin D3. Both D2 and D3 are simply called “vitamin D,” so
there's no meaningful difference between vitamin D3 and just vitamin D
.
Do you need a prescription for vitamin D 50000 IU?
Vitamin D2 and D3 50000 IU are available with a prescription
. Vitamin D2 and D3 400 – 5000 IU are available over-the-counter (OTC).
Is 2000 IU of vitamin D safe?
Nearly all vitamin D overdoses come from supplements. The Institute of Medicine's Food and Nutrition Board's old 1997 recommendations suggested that
2,000 IU per day of vitamin D is safe for adults
and that 1,000 IU per day is safe for infants up to 12 months of age.
Is 25 mcg of vitamin D enough?
Scientists found that
taking 1,000 IU (25 mcg) of vitamin D daily reduced heart disease risk by 10%
( 16 ). Based on current research, it seems that consuming 1,000–4,000 IU (25–100 mcg) of vitamin D daily should be ideal for most people to reach healthy vitamin D blood levels.
Is 8000 IU of vitamin D3 safe?
While it is true that excess vitamin D can be dangerous,
it is very uncommon to have excess vitamin D when taking 8,000 units or less daily
. (Some people will need more than that, but doses in excess of 8,000 IU should be guided by blood levels.
Is vitamin D level of 70 too high?
The current daily recommended amount of vitamin D is 600 IU per day for adults under the age of 70, and 800 IU for older adults.
Up to 4,000 IU per day is generally considered the safe upper limit
, however, doses up to 10,000 IU/day have not been shown to cause toxicity.
Is 20000 IU of vitamin D3 too much?
Meanwhile, another 2014 study found that
taking a whopping 20,000 I.U. of vitamin D3 daily successfully increased whole-body vitamin D levels without participants even coming close to levels associated with toxicity
. So, successful, not scary.
Is 1500 mg of vitamin D too much?
Other experts suggest that adults' vitamin D needs are much higher. For example,
the Endocrine Society recommends up to 1,500 to 2,000 IU of vitamin D daily for adults
. Mayo Clinic recommends that adults get at least the RDA of 600 IU.
Why is vitamin D taken once a week?
Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones. Vitamin D is used
to treat and prevent bone disorders
(such as rickets, osteomalacia). Vitamin D is made by the body when skin is exposed to sunlight.
What are signs of low vitamin D?
- Nausea.
- Increased thirst and urination.
- Poor appetite.
- Constipation.
- Weakness.
- Confusion.
- Ataxia (a neurological condition that may cause slurring of words and stumbling).
Should I take vitamin D3 5000 IU?
The truth is, we do need vitamin D to stay healthy, but
5000 IU (units) of vitamin D in a daily tablet is more than most people need
. The recommended maximum daily limit of vitamin D in healthy people is 4000 IU. That includes intakes from food, beverages, and supplements.
Can Vit D3 cause hair loss?
“
Both vitamin D deficiency, as well as vitamin D excess, may cause hair loss
,” Chacon explains. A 2020 study in the International Journal of Dermatology found that vitamin D deficiency may also play a role in the development and severity of androgenetic alopecia, also known as male pattern baldness.
Which vitamin D is best?
The recommended form of vitamin D is
vitamin D3 or cholecalciferol
. This is the natural form of vitamin D that your body makes from sunlight. Supplements are made from the fat of lambs' wool.
How much vitamin D3 should an 80 year old woman take?
Adults aged up to 70 years old should be getting at least 600 IU. Adults older than 70 should be getting at least
800 IU
of vitamin D.
What's the difference between prescription vitamin D and over-the-counter vitamin D?
One difference between prescription and OTC vitamin D is that
the prescription version is only available as D-2, or ergocalciferol
. Many scientists believe that ergocalciferol and cholecalciferol are comparable in potency, but ergocalciferol is broken down more quickly in the body.
When should I take vitamin D morning or night?
Many people prefer to take supplements such as vitamin D
first thing in the morning
. Not only is it often more convenient, but it's also easier to remember your vitamins in the morning than later in the day.
Is it better to take vitamin D every day or once a week?
Daily vitamin D was more effective than weekly
, and monthly administration was the least effective.
What are the benefits of vitamin D3 5000 IU?
- Provides 125 mcg (5,000 IU) of vitamin D3, the body's preferred form of vitamin D.
- An essential nutrient that helps support a healthy immune response, aids in calcium absorption to support strong bones and teeth and supports muscle function. …
- Vitamin D supplements come in two forms: vitamin D2 and vitamin D3.
How much vitamin D should a 65 year old take?
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.
