Several research studies show that spirulina can lower one’s LDL (bad cholesterol levels) and improve heart health, which is important because if a person has high cholesterol it can lead to a higher chance of heart disease. This is because high cholesterol blocks off the arteries and causes the heart to pump harder (1).
In one study, patients found a 33.5% decrease in total plasma cholesterol after consuming 4 grams of spirulina every day for three months (2). A decrease in total plasma cholesterol means there is a decrease in LDL.
Spirulina may also help lower blood pressure. There have been numerous studies done to prove this as well. In one clinical study published in a 2016 Pub med journal they concluded that consuming spirulina lowers the concentration of fats in the blood and also reduces systolic and diastolic blood pressure” (3).
1. Francisco Lopez-Jimenez, M.D. Cholesterol level: can it be to low? The Mayo Clinic, 25 November 2020.
2. Ramamoothy, A. Pramakumari, S. Effect of supplementation of spirulina on hypercholesterolemic patients, Journal of Food Science and Technology 33(2):124 128 March 1996
3. Miczke A, Szulińska M, Hansdorfer-Korzon R, Kręgielska-Narożna M, Suliburska J, Walkowiak J, Bogdański P. Effects of spirulina consumption on body weight, blood pressure, and endothelial function in overweight hypertensive Caucasians: a double-blind, placebo-controlled, randomized trial. Eur Rev Med Pharmacol Sci. 2016;20(1):150-6. PMID: 26813468.
Links to related scientific studies:
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