Gamma-aminobutyric acid: Sleep Benefits, Stress Relief, How to Use, Dosage, and Safety
Gamma-aminobutyric acid (GABA) is the brain’s primary calming neurotransmitter. As a supplement, it’s marketed to help you unwind, sleep more easily, and manage day-to-day...
Gamma-butyrolactone: Risks, Overdose Signs, Interactions, and Safer Alternatives Explained
Gamma-butyrolactone (GBL) is an industrial solvent that the body rapidly converts into gamma-hydroxybutyrate (GHB), a powerful central nervous system depressant. Despite its reputation in...
Gamma-glutamylcysteine: Raise Glutathione Naturally—Benefits, Dosage, and Risks
Gamma-glutamylcysteine (GGC) is a small dipeptide your body naturally makes as the immediate precursor to glutathione—the ubiquitous cellular antioxidant that safeguards proteins, lipids, and...
Gamma-hydroxybutyrate (GHB): Uses in Narcolepsy and Idiopathic Hypersomnia, Proper Dosage, and Side Effects
Gamma-hydroxybutyrate (GHB) is a naturally occurring neurochemical and a powerful central nervous system depressant. In medicine, its prescription form—oxybate—is used under strict supervision to...
Gamma-linolenic acid: What It Does, Evidence for Skin and Joint Health, Dosage Ranges, and Side Effects
Gamma-linolenic acid (GLA) is a plant-derived omega-6 fatty acid found in borage seed, evening primrose, and black currant seed oils. In the body, GLA...
Gamma-oryzanol: Uses, Proven Benefits, Best Dosage, and Side Effects
Gamma-oryzanol is a group of antioxidant compounds naturally concentrated in rice bran oil. It has drawn interest for cardiovascular support, metabolic health, and midlife...
Gamma-tocopherol: What It Is, Research-Backed Benefits, How Much to Take, and Risks
Gamma-tocopherol is a major dietary form of vitamin E found in many everyday foods, especially soybean, canola, and corn oils, as well as certain...
Gamma-tocotrienol: How It Works, Clinical Benefits, Dosage Ranges, and Side Effects
Gamma-tocotrienol (γ-T3) is one of the eight compounds in the vitamin E family. While alpha-tocopherol gets most of the spotlight, tocotrienols—especially the gamma and...
GanedenBC30: What It Is, Proven Benefits for Protein and Gut Health, How to Take It, and Safety
GanedenBC30 is a branded probiotic strain scientifically designated as Bacillus coagulans GBI-30, 6086 (also referenced in updated taxonomy as Heyndrickxia/Weizmannia coagulans). Unlike many probiotics,...
Ganoderma lucidum: What It Is, Proven Benefits, Best Forms, Dosage, and Risks
Ganoderma lucidum—also called reishi or lingzhi—is one of the most studied medicinal mushrooms. It is rich in polysaccharides (notably beta-glucans) and triterpenes that may...
Ganoderma tsugae: Health Benefits, Evidence-Based Uses, Dosage Guidelines, and Safety Risks
Ganoderma tsugae—often called the hemlock reishi—belongs to the same medicinal mushroom family as the more famous Ganoderma lucidum. It grows on conifers, develops a...
Garcinia cambogia: Weight Loss Effects, Best Dosage and Timing, Side Effects, and Real-World Tips
Garcinia cambogia—also known as Garcinia gummi-gutta or Malabar tamarind—is a tropical fruit whose rind contains hydroxycitric acid (HCA), a compound marketed for appetite control...
Garcinia indica: Health Benefits, Evidence on Garcinol, How to Use, Dosage, and Safety
Garcinia indica—better known as kokum—is a deep-purple, tart fruit native to India’s Western Ghats. Its dried rind brings tang and color to curries, beverages,...
Garcinia kola: What It Is, Proven and Potential Benefits, How to Take It, and Risks
Garcinia kola—popularly called bitter kola—is a West and Central African tree whose seeds are chewed as a traditional masticatory and shared at social gatherings....
Garcinia mangostana: Uses for Insulin Sensitivity, Inflammation, Oral Health, and Side Effects
Mangosteen (Garcinia mangostana) is a Southeast Asian fruit celebrated for its sweet, floral flavor and a thick purple rind rich in biologically active xanthones...
Garcinol: What It Is, Proven and Potential Benefits, How to Take It, and Risks
Garcinol is a naturally occurring polyisoprenylated benzophenone concentrated in the rinds of Garcinia fruits—especially Garcinia indica (kokum). It is best known in laboratories as...
Garden cress extract: Lepidium sativum benefits, uses, dosage range, and safety precautions
Garden cress extract comes from the fast-growing herb Lepidium sativum, a peppery member of the Brassicaceae family enjoyed as sprouts, seeds, and seed oil....
Garlic extract: Blood Pressure and Cholesterol Support, How to Use It, Proper Dosage, and Side Effects
Garlic extract is one of the most widely studied botanical supplements for heart and metabolic health. Derived from Allium sativum, it concentrates organosulfur compounds...
Garlic oil: Cardiovascular Support, Antioxidant Properties, Dosage, and Side Effects
Garlic oil is a concentrated form of the aromatic compounds that give garlic its pungent scent—and much of its biological activity. Extracted primarily by...
Gastrodin: Sleep, Stress, and Brain Health Benefits with Dosage and Risks
Gastrodin is a naturally occurring compound best known as the primary bioactive of Gastrodia elata (Tian Ma), a traditional East Asian herb used for...