Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Take vitamin B12 on an empty stomach in the morning or early afternoon ...

However, when considering shots, you'll want to consider a few things. One, they'll be more expensive than vitamin B12 ...

At a dose of 1,000 mcg of vitamin B12 per dropper, this does exceed the RDA for vitamin B12. A benefit of taking a liquid vitamin is that it’s relatively easier to adjust the dose, from a full ...

Vitamin B6 can also influence serotonin and dopamine levels, which can impact your sleep if taken too late, Keatley says.

Your doctor will give you the right dosage of vitamin B12 supplement, especially if you will inject it. Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases ...

Additionally, some people may find the dropper difficult to use accurately, which could lead to inconsistent dosing. Finally, the price point for these drops may be higher than other vitamin B12 ...

Vitamin B12 with vitamin B9 (folate) helps your body replenish the red blood cells you lost. Without a healthy dose of regular vitamin B12, you can become anemic. Some energy drinks use vitamin ...