1. Experts point out that women during pregnancy and lactation may not be suitable for taking Maca products. Because there is no authoritative data to prove that taking Maca for pregnant and lactating women will not have a physical impact on the fetus or young children, it is prudent for pregnant and lactating women to stop taking Maca.

2. according to the provisions of the food safety law and the measures for the administration of new resource foods, maca powder is now approved as a new resource food. The production and operation of new resource foods shall comply with relevant laws, regulations and standards.

3. For thyroid patients, because Maca contains glucosinolates, if taken in excess in combination with a low iodine diet, it may cause thyroid swelling. Goiter includes dysphagia, cough, dyspnea, and tense throat. Symptoms of swelling can be seen at the bottom of the neck, and it should also be taken with caution.