Kisspeptin: Fertility Support, Sexual Function, Dosage Guidance, and Safety
Kisspeptin is a naturally occurring neuropeptide that acts as a master switch for human reproduction. By stimulating gonadotropin-releasing hormone (GnRH) neurons in the hypothalamus,...
Kiwi extract: Constipation Relief, Enzyme Support for Digestion, Dosage, and Safety
Kiwi extract concentrates the bioactive compounds of kiwifruit (Actinidia species) into a convenient capsule or powder. It is typically standardized for actinidin (a natural...
Kiwi leaf extract: Evidence-Based Benefits, Practical Uses, Dosage, and Precautions
Kiwi leaf extract is a concentrated preparation made from the leaves of Actinidia species—most commonly Actinidia chinensis (gold kiwifruit), Actinidia deliciosa (green kiwifruit), and...
Kiwi seed oil: Skin Benefits, Omega-3 Nutrition, How to Use, Dosage, and Safety
Kiwi seed oil is a lightweight, fast-absorbing oil pressed from the tiny seeds of kiwifruit (Actinidia spp.). It is naturally rich in alpha-linolenic acid...
Klamath Blue-Green Algae: Brain and Metabolic Support, Recommended Dosage, Risks, and Safe Use Tips
Klamath blue-green algae—botanically known as Aphanizomenon flos-aquae (AFA)—is a cyanobacterium harvested primarily from Upper Klamath Lake in Oregon. It’s sold as whole-powder algae or...
Kojic acid: Evidence for Melasma and Dark Spots, Best Uses, Dosage, and Side Effects
Kojic acid is a well-known pigment-balancing ingredient used in skincare to address dark spots, melasma, and post-inflammatory hyperpigmentation. It is a naturally derived metabolite...
Kola nut extract: Energy, Focus, and Weight Support, Recommended Dosage, and Side Effects
Kola nut extract comes from the seeds of Cola species—most commonly Cola nitida and Cola acuminata—trees native to West and Central Africa. For generations,...
Kola-Pectin: Diarrhea Relief Benefits, How It Works, Correct Dosage, and Safety
Kola-Pectin is an over-the-counter gastrointestinal (GI) remedy whose active medicinal ingredient is bismuth subsalicylate—the same antidiarrheal found in many “stomach relief” products. Unlike the...
Kombiglyze: Benefits for A1C Reduction, How It Works, Dosage, and Safety
Kombiglyze is a prescription medicine that combines two glucose-lowering agents—saxagliptin (a DPP-4 inhibitor) and metformin extended-release—into one tablet. It is used alongside diet and...
Kombucha tea: Evidence-Based Benefits, Proper Use, Dosage Guidelines, and Risks
Kombucha is a fermented tea brewed with sugar and a living culture of bacteria and yeast (often called a SCOBY). In recent years, it...
Konjac: Cholesterol Support, Blood Sugar Effects, Dosage Guidelines, and Risks
Konjac (Amorphophallus konjac) is a starchy root best known for its soluble fiber, glucomannan. This unique fiber swells when mixed with water and forms...
Konnyaku: Glucomannan Fiber Benefits, Daily Intake, Meal Uses, and Side Effects
Konnyaku is a traditional Japanese food made from the corm of the konjac plant (Amorphophallus konjac). Its springy, jelly-like texture comes from glucomannan, a...
Konvomep: Fast Acid Control, Proper Use, Recommended Dose, and Risks
Konvomep is a prescription oral suspension that combines omeprazole—a proton pump inhibitor (PPI)—with sodium bicarbonate. Together, they reduce gastric acid quickly and maintain suppression...
Korean pine: Health Benefits, Satiety Effects, How to Use, Dosage, and Safety
Korean pine (Pinus koraiensis) is best known for its rich, buttery nuts and the distinctive fatty acids in its oil—especially pinolenic acid and sciadonic...
Korsuva: Hemodialysis Itch Relief, How It Works, Dosing, and Safety
Korsuva (difelikefalin) is the first peripherally selective kappa-opioid receptor (KOR) agonist approved to reduce moderate to severe itching in adults on hemodialysis. If you...
Koselugo: Evidence on Tumor Shrinkage, How to Use It, Recommended Dosage, and Side Effects
Koselugo (selumetinib) is an oral MEK 1 and MEK 2 inhibitor developed to shrink and stabilize plexiform neurofibromas (PN) in people with neurofibromatosis type...