There is no research to suggest that nuts cause acne. In fact, nuts contain antioxidants, and can reduce the GI of a meal, both of which may play a role in the prevention of acne [1, 2].

People with acne often have low levels of antioxidants like vitamin E and selenium, which almonds, peanuts, and Brazil nuts contain. These nutrients protect cells from damage and infections. There’s no clear proof that antioxidants will clear up acne but nevertheless, they’re important in a healthy balanced diet.   

There is also some evidence to suggest that diets based on products with a high glycaemic index (GI) leads to hyperinsulinaemia i.e. elevated insulin levels. Elevated insulin levels stimulate the secretion of androgens and cause an increased production of sebum, which plays a fundamental role in the cause of acne [1, 2]. Nuts can help to reduce the GI of a meal containing carbohydrates due to their healthy fat content. The healthy fats take longer to digest, and slow the rise in blood glucose.

References

  1. Kucharska, A., A. Szmurlo, and B. Sinska, Significance of diet in treated and untreated acne vulgaris. Postepy Dermatol Alergol, 2016. 33(2): p. 81-6.
  2. Smith, R.N., et al., A low-glycemic-load diet improves symptoms in acne vulgaris patients: a randomized controlled trial. Am J Clin Nutr, 2007. 86(1): p. 107-15.
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