Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.

Pre-workout' is primarily made up of ingredients like caffeine and creatine, as well as amino acids, nitric oxide agents and ...

Supplements can support your health—but some carry serious risks. Reviewed by Dietitian Maria Laura Haddad-Garcia Supplements can cause heart, liver, kidney and digestive side effects. "Natural" doesn ...

While they may be beneficial on their own, taking these supplements together could hinder absorption or be outright unsafe.

GABA is a neurotransmitter that reduces brain activity, but it's also a supplement that could help with sleep.

New research suggests that Omega-3 supplements such as fish oil or flaxseed may increase a person's risk of stroke or atrial fibrillation.

It could be your best shot at a productive day. Coffee offers a bevy of health perks, from boosting brain function and ...