What should you not take with biotin?
William Rodriguez
Updated on February 20, 2026
Taking certain medicines can lower your blood levels of biotin, which could affect your biotin dose needs.
...
Ask a doctor or pharmacist before using biotin with any other medications, especially:
- carbamazepine;
- phenobarbital;
- phenytoin; or.
- primidone.
Does biotin interact with anything?
Taking biotin along with some medications that are changed by the liver might increase the effects and side effects of some medications. Before taking biotin, talk to your healthcare provider if you take any medications that are changed by the liver.When should you take biotin morning or night?
The best time to take biotin is in the morning, with a full glass of water. Biotin is best taken on an empty stomach 1 hour before eating or 2 hours after your last meal. You should aim to take biotin at the same time each day to stay on track.Does vitamin D interact with biotin?
Interactions between your drugsNo interactions were found between biotin and D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.
Can you take biotin with a multivitamin?
Biotin is generally safe to combine with most vitamins; however, there's little research to support its use if you don't have a deficiency.Biotin Supplement / Vitamin B7: Unexpected Side Effects???
What vitamins Cannot be taken together?
Some vitamins that should not be taken together, or have dosage limitations, include vitamin C with vitamin B-12, vitamin A supplement with vitamin A-rich foods, folic acid (vitamin B9) and vitamin B12, and vitamin E with vitamin K.Can I take biotin and magnesium together?
No interactions were found between biotin and Calcium, Magnesium and Zinc. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.Can I take vitamin C with biotin?
No interactions were found between biotin and Vitamin C. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.Can you take biotin with B12?
No interactions were found between biotin and Vitamin B12.Can I take biotin and Zinc together?
Interactions between your drugsNo interactions were found between biotin and Zinc.
How much biotin should I take for thinning hair?
If you're experiencing hair loss or hair thinning, biotin supplements could help. Research suggests that increasing your biotin intake between 2mg and 5mg per day could improve the strength and thickness of your hair.Can I take biotin with coffee?
Try to avoid taking your vitamins with coffee or teaCaffeine also increases urination, which can decrease the concentration of water-soluble vitamins (B-complex and C). So, wait an hour after your morning brew to take supplements.