12 entries

Heart

Sorted from the strongest evidence to the most limited.

GarlicStrong
Lowers blood pressure slightly, especially in hypertensive individuals; on cholesterol and the common cold, studies are contradictory or lacking.
BerberineStrong
A plant extract extensively studied for blood sugar and cholesterol, often mistakenly presented as a "natural Ozempic".
Coenzyme Q10Strong
A molecule involved in cellular energy production, studied for cardiovascular health and fatigue.
FenugreekStrong
A seed sold in bodybuilding for testosterone. This is precisely its least well-documented use: its best studies concern blood glucose and cholesterol.
Glucomannan (konjac)Strong
A soluble fibre derived from konjac. It slightly lowers LDL cholesterol (around 10% at 3 g per day), but the meta-analysis of weight trials finds no weight loss.
Beetroot juice (nitrates)Strong
A dietary source of nitrates, converted into nitric oxide by the body. One of the few endurance aids that holds up against trials.
PotassiumStrong
A mineral whose higher intake lowers blood pressure, especially if your diet is high in salt. Trial doses are high and require caution with certain medications.
PsylliumStrong
A soluble fiber that swells upon contact with water. Studied for bowel movement, satiety, and cholesterol.
SpirulinaStrong
A microalgae that slightly lowers LDL, triglycerides, and blood pressure in meta-analyses; regarding weight, memory, and sports performance, a few trials with mixed results.
TaurineStrong
Amino acid found in energy drinks: a small endurance gain after a single dose, and slightly lower blood pressure, especially in at-risk individuals.
Green teaStrong
Slightly lowers LDL cholesterol, blood sugar and blood pressure; almost nothing on weight, and a real risk to the liver at high doses in capsules.
Omega-3Moderate
EPA and DHA fatty acids from oily fish. Contrary to their reputation, large supplement trials do not find heart protection.