How Many Cashews Can I Eat A Day And Side Effects Of Eating Too Many!

Updated Nov 15, 2022 

Nutritionists suggest limiting cashew nut kernels consumption to up to 5 – 10 cashews a day to avoid weight gain. You can eat 15–30 cashew nuts a day for a primary source of fat and a secondary source of protein. Not all fats are bad for you, and some types of fat can actually help your heart health. Some research shows that eating more nuts, such as cashews, can lower your risk for cardiovascular disease. This may occur by reducing blood pressure and cholesterol levels. … Some vitamins and minerals in nuts, such as potassium, vitamins E and B-6, and folic acid, also help to fight heart disease.

How much cashews is too much? More than 30 nuts per day

How many cashews is too much? More than 30 nuts a day

Side Effects Of Eating Too Many Cashews

Cashew nuts may also cause bloating, constipation, weight gain, and joint swelling in some people. But these side effects are rare.

If you eat too much cashew nuts you may cause:

Weight Gain

Many of us know cashew nuts are high in calories and fat. So should we be eating cashew nuts or will they make us gain weight? In short, the answer is YES, if We eat cashew nuts too much. And no, they won’t make us gain weight if eaten in moderate amounts. The fats in nuts are mostly the “good” fats. If you eat cashew nuts too much, the most common side effect of cashew nut kernel that you will face is weight gain


The Second common cashew side effect is Headache. Eating peanuts, almonds, cashews, and other nuts are known to trigger headaches (migraines) in some people. Although these foods are normally very healthy, some people are hypersensitive to them. Changes of the season – Certain seasonal changes tend to trigger headaches in some people. In cashews have amino acids: tyramine and phenylethylamine, which are good for our health and help maintain normal blood pressure levels and provide a sense of well-being that may cause head pain in individuals who are sensitive to these amino acids.

Headache in the second common side effect of eat too much cashew nuts.

Headache is the second common side effect of eating too much cashew nuts.

Nut allergy

If you are a nut-allergy! Don’t Eat too much cashew nuts, it may be dangerous for our health even because of the risk of allergic reactions attached to them. As per a study published in the December 2003 edition of the journal “Allergy”, allergies associated with cashews are risking day by day and these allergic reactions are even more serious because they affect young children who may never have been exposed to these allergies. As per another article published in the journal “Archives of Diseases In Childhood”, it was found that anaphylaxis or constricting of the airways was found to be more common in people suffering from cashew allergies than in people suffering from peanut allergies.

Drug interactions

Cashew nuts are an excellent source of magnesium (82.5 mg of magnesium per ounce of cashew nuts), which provides many benefits like regulating body temperature, detoxification, keeping bones and teeth healthy, and many more benefits. However, there is also some risk associated with magnesium and one such risk is their ability to interfere with some drugs. As per the University of Maryland Medical Center notes, it was found that several drugs interact with magnesium (which is present in cashews at a high level) and disturbs the effect of those drugs. Quinolone antibiotics like ciprofloxacin and magnesium bind together and may prevent adequate absorption of antibiotics.

Some Drugs that MAY interact with cashew nut kernels:

  • Insulin
  • Glimepiride (Amaryl)
  • Glyburide (DiaBeta Glynase PresTab, Micronase)
  • Pioglitazone (Actos)
  • Rosiglitazone (Avandia)
  • Chlorpropamide (Diabinese)
  • Glipizide (Glucotrol)
  • Tolbutamide (Orinase)
  • ……

=> The information contained in the post is for general purpose only and shouldn’t be considered medical advice or an alternative to medical advice.

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