How quickly does vitamin D work for fatigue?
Mia Lopez
Updated on March 16, 2026
One study found that low vitamin D was high among people with fatigue and that their symptoms improved after five weeks of vitamin D supplements, while a small study from Newcastle University found that low vitamin D could cause fatigue as low levels cause mitochondria, the 'power stations' in every cell of the body, ...
Does vitamin D give you immediate energy?
Vitamin D is vital for making our muscles work efficiently and boosting energy levels, new research from Newcastle University has shown.How soon after taking vitamin D will I feel better?
So, when it comes to vitamin d deficiency treatments, how long till you start to feel better? Those with the lowest levels should feel an improvement after just a few days, while those who only need to top up their levels may have to wait a week or two before they begin to feel healthier and more energised.Does vitamin D improve fatigue?
Our results showed that 100,000 IE single dose vitamin D treatment lead to a significant improvement in fatigue in the vitamin D group compared with the placebo group. Moreover, improvement in fatigue modestly but significantly correlated with the change in 25(OH)D levels among all participants.Can lack of vitamin D cause fatigue?
Vitamin D helps with strong bones and may help prevent some cancers. Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression.8 Signs Your Body Is Begging for Vitamin D
Which vitamin D is best for fatigue?
In conclusion, our study shows that a single dose of oral 100,000 IE vitamin D3 is an effective, well-tolerated, and economical treatment strategy for healthy adults who report fatigue.How can I raise my vitamin D level quickly?
- Spend time in sunlight. Vitamin D is often referred to as “the sunshine vitamin” because the sun is one of the best sources of this nutrient. ...
- Consume fatty fish and seafood. ...
- Eat more mushrooms. ...
- Include egg yolks in your diet. ...
- Eat fortified foods. ...
- Take a supplement. ...
- Try a UV lamp.