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Grains & legumes — See the category page
Grains & legumes
Strong evidenceA 2018 meta-analysis pooling 28 randomised controlled trials and 1,924 people found LDL cholesterol fell by 0.33 mmol/L on average. Non-HDL cholesterol and apolipoprotein B fell with it. This is one of the few entries this site marks as established.

Grains & legumes
Strong evidenceA 2015 meta-analysis of 20 trials found LDL fell by 1.02 mmol/L, and the effect was statistically indistinguishable from statin therapy. The same paper's title continues: but safety is uncertain.

Grains & legumes
Strong evidenceAcross 40 randomised trials and 3,285 participants, endometrial thickness, vaginal maturation, FSH and oestradiol all stayed put. LDL did fall — by 4.76 mg/dL.

Grains & legumes
Strong evidenceBeta-glucan lowers LDL by 0.25 mmol/L. The glucose effect, though, fades by two hours and HbA1c did not move at all.

Grains & legumes
Strong evidence7.6 g of fibre and 172 µg of folate per 100 g cooked. Twenty-eight trials found a glucose effect — graded very low certainty.

Grains & legumes
Strong evidence7.9 g of fibre and 181 µg of folate per 100 g cooked. The LDL effect is settled across 38 randomised trials.

Grains & legumes
Strong evidenceSoy protein's LDL-lowering effect is confirmed across 43 randomised trials. The size of it is 3–4 %.

Grains & legumes
Strong evidenceThree grams a day of oat beta-glucan lowers LDL cholesterol — a claim regulators have actually approved.