First: Excessive consumption of maca may lead to goiter, maca contains thioglucoside compounds, if combined with a low iodine diet overdose, may lead to swelling of the thyroid gland. Takers will experience difficulty swallowing, coughing, and even difficulty breathing.

Second: Maca consumption may also be allergic, allergies are mainly caused by allergens, and everyone's allergens are different, allergy symptoms include itching, tingling or swelling of the mouth, lips or throat. Rash, skin redness, itching, diarrhea or vomiting, runny nose or nasal congestion, eye redness, pain or tearing and other symptoms, need timely treatment.

Third: maca will regulate the level of sex hormones, resulting in menstrual disorders and decreased libido. Maca is suitable for people with endocrine imbalance, if the endocrine is normal there is no need to take maca, because maca may increase hormone secretion, resulting in endocrine imbalance, the normal people should remember that you can not just eat maca.