B-vitamin

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

There was no link between PMS and B-vitamin supplements or foods and supplements containing other B vitamins, such as niacin, vitamin B-6, folate, and vitamin B-12.

Cutting Allergy Shots Ann Lukits 2011

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

That's the tantalizing premise behind Deplin, a prescription form of the B-vitamin folate.

Giving Antidepressants a Boost With a Vitamin Melinda Beck 2012

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

Tryptophan allows the body to produce the B-vitamin niacin, which in turn helps it produce serotonin, a remarkable chemical that acts as a calming agent in the brain and plays a key role in sleep.

Wendy Gordon: The Blessing of Variety: An Eco-Omnivore's Thanksgiving Wendy Gordon 2011

One HDL-raising drug out there is the B-vitamin niacin, also sold by Abbott under the brand name Niaspan.

Ten Questions About High Cholesterol 2010

Thin violet skin, a lack of B-vitamin immunity, and with no potions strong enough to dissuade the masses from these lady-fingers and breadfruit, I am the most important plebe in the commonwealth.

Royal Blood 2010