“Peanuts are unhealthy because of aflatoxins, lectins and omega-6 fats.”
Moderate confidence because peanuts can contain aflatoxin if crops are contaminated, but commercial supplies are monitored and peanut consumption is not shown to be broadly harmful. Allergy is a serious exception, and long-term food outcome evidence is largely observational.
Peanuts provide protein, unsaturated fat, fiber and nutrients. Aflatoxin contamination is a real food-safety issue, but it is monitored and does not make every peanut or peanut butter unhealthy.
Lectins are greatly reduced by roasting, and omega-6 fat in a whole food does not make that food inflammatory. Added sugar, sodium and portions can differ across peanut products.
A plain peanut, sweetened peanut butter and candy with peanuts are not the same food. Peanut allergy is also different from a general health claim.
Can peanuts support heart health and fullness?
Yes. Peanuts can provide filling protein and unsaturated fat and can be an affordable alternative to tree nuts.
Safety note: Peanut allergy can cause life-threatening reactions and requires strict avoidance and an emergency plan.
Talk to a healthcare professional if: Seek urgent care for symptoms of an allergic reaction. Discuss suspected peanut allergy with an allergy specialist.
If you are not allergic, you do not need to avoid peanuts because of aflatoxin or omega-6 fear.
Choose a peanut product you enjoy and store it properly. Compare added sugar and sodium if those matter to you.