5-Hydroxytryptophan (5-HTP)
5-Hydroxytryptophan (5-HTP) is used as an amino acid precursor to boost serotonin (scientifically known as 5-hydroxytryptamine or 5-HT) levels.
Ingredient Library
Our library provides in-depth reviews of ingredients commonly found in supplements. Each review contains information about the ingredient’s clinical applications, formulations, dosing and administration, adverse effects, and pharmacokinetics.
Acai
People commonly use ashwagandha for anxiety, insomnia, and stress. It is also used for asthma, athletic performance, back pain, and
Alfalfa
Alfalfa (Medicago sativa) is an herb that some people consume as a source of calcium, potassium, phosphorous, iron, and vitamins
Aloe Vera
Aloe is used topically (applied to the skin) and orally. Topical use of aloe is promoted for acne, psoriasis, lichen
Alpha-Lipoic Acid
Alpha-lipoic acid is an antioxidant that is made naturally in the body and also found in foods. It is used
American Ginseng
People take American ginseng for stress, to boost the immune system, for upper airway infections, diabetes, and many other conditions,
Ashwagandha
People commonly use ashwagandha for anxiety, insomnia, and stress. It is also used for asthma, athletic performance, back pain, and
Astragalus
Astragalus membranaceus, commonly known as astragalus, has been used as a medicinal remedy in Traditional Chinese medicine (TCM) for more
Bacopa monnieri
Bacopa monnieri, commonly known as water hyssop, is a medicinal herb that has been used for hundreds of years in
Berberine
Berberine is a natural compound found in several plants, including goldenseal, Oregon grape, tree turmeric, and barberry. It has been
Bilberry
You’ve probably tried blueberries, cranberries, and even huckleberries—but have you ever heard of bilberries? Bilberries are part of the same
Black Cohosh
Black cohosh is a herb that has been rising in popularity for supporting women’s hormonal health, enhancing female fertility, and
Boswellia serrata
Boswellia serrata is a branching tree and member of the Boswellia genus native to India, Northern Africa, and the Middle
Calcium
Calcium is an essential mineral that is commonly used to promote healthy bones and teeth. It is often found in
CBD
The origins and cultivation of the herbaceous plant Cannabis sativa L. can be traced back to ancient civilizations. (1) However,
Chaste Tree
First used more than 2,000 years ago by ancient Greeks, Romans, and Egyptians, the chaste tree plant is known for
Chromium
Trivalent chromium is a trace element obtained from the diet and dietary supplements. It plays a key role in helping
Cinnamon
The trees from which cinnamon is produced thrive in tropical and subtropical environments, where some grow large enough to be
Coenzyme Q10 (CoQ10)
Coenzyme Q10 (CoQ10), otherwise known as ubiquinone, is a fat-soluble, non-essential nutrient that plays an important role in free radical
Collagen
Collagen is used to form connective tissues, including skin, bone, cartilage, tendons, ligaments, hair, and nails, and is built from
Colloidal Silver
The therapeutic use of silver has a long and colorful history. The Greek physician Hippocrates used silver to treat ulcers
Curcumin
Curcumin is a plant chemical found in turmeric (Curcuma longa), (2) a root often used to make curries, teas, and
DHEA
When it comes to hormones, testosterone, estrogen, and cortisol seem to get all the attention. But there’s another hormone that’s
Echinacea
You’ve probably heard people recommend echinacea to boost the immune system and fight off the common cold. Also known as
Eucalyptus Oil
When you’ve got a stuffy nose, nothing brings relief quite as quickly as eucalyptus essential oil. Just a whiff or
GABA
Gamma-aminobutyric acid (GABA) is an inhibitory neurotransmitter, a chemical substance found in the nervous system of humans and other mammals.
Ginger (Zingiber officinale)
Zingiber officinale, or ginger, is a well-known herb that is used globally for it’s flavor and remedial health effects. It
Ginkgo Biloba
Often referred to as a living fossil, the Ginkgo biloba tree dates back more than 100 million years, making it
Green Tea
Green tea, made of the leaves of the Camellia sinensis plant, first originated in Asia and is now grown in
Hemp Seeds
Within the last two decades, the cultivation of hemp seeds has seen a resurgence in North America. Today, thanks to
Honey
Over one million tons of honey is produced annually worldwide. (8) Beyond its use as a sugar alternative, there are
Inositol
Inositol is a constituent of phospholipids in cellular membranes, a precursor of secondary messengers in metabolic pathways, a component of
Iodine
Iodine is a naturally occurring mineral required for thyroid hormone production and fetal growth and development.
Iron
Iron is a mineral that is an essential component of hemoglobin, a constituent of red blood cells that transports oxygen
L-Arginine
L-arginine, used interchangeably with arginine, is an amino acid involved in several processes in the body, including energy production, detoxification,
L-theanine
L-theanine (γ-glutamylethylamide) is the most abundant (50%) water-soluble non-protein amino acid found in Camellia sinensis (tea) leaves. L-theanine synthesis occurs
Lemon Balm
Lemon balm (Melissa officinalis) is a medicinal herb native to Europe and a member of the mint family. (23) Rich
Lycopene
Lycopene is a non-provitamin A carotenoid that is responsible for the red and pink coloration of certain fruits, such as
Maca Root
If you’re looking to improve your mood, support hormonal and sexual health, or increase your energy levels, maca root may
Magnesium
Magnesium (Mg) is an element and essential mineral. It is a cofactor in over three hundred enzymatic reactions involved in
Manganese
Manganese is an essential mineral involved in the normal functioning of the brain, nervous system, and enzymes involved in metabolism
Marshmallow Root
Marshmallow root, also known by its Latin name Althaea officinalis, is a plant that has been traditionally used for a
Melatonin
Melatonin is a hormone produced by the pineal gland and synthesized from tryptophan and serotonin. It can also be produced
Milk Thistle (Silybum marianum)
The seeds and fruit of Silybum marianum (SM), also known as milk thistle (not to be confused with blessed thistle),
Omega-3 fatty acids (EPA/DHA)
Omega-3 fatty acids are polyunsaturated fatty acids that possess lipid-mediating and anti-inflammatory properties, and are essential for human health. Two
Prebiotics
The health benefits of consuming dietary fiber have long been established. Both soluble and insoluble fiber play an integral role
Pregnenolone
The body’s endocrine system is a complex network of glands that produce and secrete hormones that have a broad impact
Probiotics
The practice of using probiotics for their effects on human health originated in the early 1900s when researcher Elie Mechnikoff
Quercetin
Quercetin (derived from the Latin word quercetum, meaning “oak forest”) is an abundant yellow bioactive flavonoid found in many plant-based
Reishi (Ganoderma lucidum/lingzhi)
Medicinal mushrooms of the Ganoderma genus are called the “Mushrooms of Immortality” for their uses to maintain general health and
Rhodiola rosea
The Rhodiola plant consists of over 200 species originating from the Himalayan belt, Tibet, China, and Mongolia. (4) It is
Saccharomyces boulardii
Saccharomyces boulardii (S. boulardii) is a non-pathogenic yeast microbe with properties that protect it against antibiotics, the body’s internal temperatures,
SAMe (S-adenosylmethionine)
S-adenosylmethionine (SAMe) is an endogenous metabolite involved in several metabolic pathways that utilize methyltransferases to donate methyl groups to enzymes,
Selenium
Selenium is an essential trace mineral named after the Greek goddess of the moon, Selene, (33) as a result of
Selenium
Selenium is one of the lesser-known essential trace minerals and there’s no shortage of reasons to make sure our intake
Tribulus terrestris
The plant Tribulus terrestris, commonly known as tribulus or goat’s head, has been used for thousands of years in traditional
Valeriana officinalis
Valeriana officinalis, commonly referred to as Valerian root, is a medicinal herb found in North America, Asia, and Europe that
Vitamin A
Vitamin A is a collection of fat-soluble molecules found either as preformed vitamin A (e.g., retinol, retinal, retinoic acid, or
Vitamin B12
Vitamin B12 is an essential water-soluble nutrient that can be converted to the active coenzymes, methylcobalamin and adenosylcobalamin. It is
Vitamin B6
Vitamin B6 (pyridoxine) is an essential water-soluble vitamin. It acts as a coenzyme in more than 140 biochemical reactions involving
Vitamin C
Vitamin C (ascorbic acid) is an essential, water-soluble vitamin. It is well-known for its antioxidative properties and ability to reduce
Vitamin D
Curcumin is a plant chemical found in turmeric (Curcuma longa), (2) a root often used to make curries, teas, and
Vitamin K
Vitamin K is an essential nutrient that is important for overall health. Without enough vitamin K, serious complications can occur
Vitex agnus-castus
Vitex agnus-castus (VAC) is also commonly known as chaste tree or chasteberry. The plant’s main constituents include vitexin, casticin, agnuside,
Withania somnifera
Withania somnifera (WS) is also commonly known as ashwagandha, “Indian Winter cherry” or “Indian Ginseng”. Its root, leaves, and seeds
Zinc
Zinc is an essential micronutrient that binds to approximately 2,800 human proteins for catabolic, structural, and regulatory functions. (102) It