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Heart & circulation

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Oat panicles beside rolled oats and a bowl of oatmeal
Library entry · Seeds & grains

Oats

Oats are the grains of Avena sativa, eaten as a whole-grain food and used in distinct herbal and topical preparations.

Whole-grain mealsSoluble beta-glucan intakeCholesterol-conscious eating
Wild Reishi bracket mushrooms growing on a moss-covered decaying hardwood log
Library entry · Mushrooms, fungi & myceliums

Reishi mushroom

Reishi, also called lingzhi, is sold as slices, decoctions, powders, extracts, capsules and spores; these products are not interchangeable.

Traditional East Asian practiceTea and decoction productsSupplement research
Red hibiscus flower representing Hibiscus sabdariffa tea; verify product species on the label
Library entry · Leaves & teas

Hibiscus tea

Hibiscus tea is usually a tart infusion of dried H. sabdariffa calyces; flowers, syrups, concentrates and extracts are not equivalent.

Tart caffeine-free infusionTraditional beverageBlood-pressure research
Rolled oats beside whole oat panicles
FAQ · Oats

Are oats good for cholesterol?

Oat beta-glucan can modestly lower LDL and total cholesterol when an effective amount is consumed regularly as part of an overall heart-healthy diet.

Oat bran and rolled oats as food sources of beta-glucan
FAQ · Oats

What is oat beta-glucan?

Oat beta-glucan is a viscous soluble fiber in oats that has been studied most extensively for its effect on LDL and total cholesterol.