LDL, ApoB and Heart Attack Risk: What the Evidence Shows
Astaxanthin: Evidence-Based Guide to Benefits, Dosage, and Safety
Astaxanthin is a red-orange carotenoid pigment with potent antioxidant activity, naturally produced by the freshwater microalga Haematococcus pluvialis. Through the food chain, it accumulates in th...
Ashwagandha: Evidence, Forms, Dosing, and Safety
Ashwagandha (Withania somnifera) is one of the most extensively studied adaptogenic herbs, with a robust evidence base from multiple meta-analyses supporting benefits for anxiety, stress, cortisol ...
L-Arginine: Evidence-Based Guide to Benefits, Dosing, and Safety
L-arginine is a semi-essential amino acid and the primary substrate for nitric oxide synthesis — a molecule that relaxes blood vessels and increases blood flow. It has been studied for congestive h...
Apple Cider Vinegar: Evidence-Based Guide to Benefits, Dosing, and Safety
Apple cider vinegar (ACV) is one of the most widely researched natural health remedies, primarily studied for blood sugar control and weight management. Evidence from small clinical trials suggests...
Amla Supplement Guide: Evidence, Dosing, Forms, and Safety
Overview Amla (Emblica officinalis), also known as amalaki or Indian gooseberry, is one of the most widely used ingredients in traditional Ayurvedic medicine. The fruit has been used for thousands ...
Alpha-Lipoic Acid: Evidence-Based Guide to Benefits, Forms, Dosing, and Safety
Alpha-lipoic acid (ALA) is a sulfur-containing antioxidant naturally produced in the body that assists in energy metabolism and can regenerate other antioxidants including vitamins C and E, glutath...
Aloe Vera Gel vs Latex: Evidence-Based Guide to Benefits, Forms, Dosing, and Safety
Aloe vera has been used medicinally for thousands of years. The inner leaf gel and outer leaf latex have distinct properties and very different safety profiles. While aloe gel is generally safe and...
Alginate Supplements for Acid Reflux: Benefits, Forms, and Dosing Guide
Alginates are natural, edible polysaccharide polymers derived from the cell walls of brown algae (seaweed). They have been used for decades to manage the symptoms of gastroesophageal reflux disease...
African Mango (Irvingia gabonensis): Evidence Review for Weight Loss, Dosing, and Safety
African mango (Irvingia gabonensis) seed extract has gained popularity as a weight loss supplement, but the evidence base is extremely limited. Three short-term studies from a single research group...
Acetyl-L-Carnitine: Benefits, Forms, Dosing, and Side Effects — Evidence Review
Acetyl-L-carnitine (ALCAR) is an acetylated form of L-carnitine that crosses the blood-brain barrier more effectively than standard L-carnitine. It has been studied for cognitive decline, Alzheimer...
Acai Berry: Benefits, Forms, Dosing, and Side Effects — Evidence Review
Acai (pronounced ah-sigh-EE) berry is the fruit of the acai palm (Euterpe oleracea Mart.), also known as the cabbage palm, indigenous to the floodplains and swamps of northern South America, partic...