What are the contraindications for eating amaranth?

The way to eat amaranth is fresh product should be cold, porridge or juice, dry product decoction; contraindications are not clear, but need to pay attention to pregnant women and spleen deficiency loose stool (feces thin and not shaped) people with caution.
Amaranth is the dried above-ground part of the plant Horse’s tooth, is a common food, for the dual-use, plant-based Chinese medicine. This product is cold in nature, and is used in medicine to stop bleeding and cool the blood, clear heat and detoxification, and stop dysentery.
It can be used in the treatment of feverish sores, dysentery (dysentery with a lot of blood), disintegration (excessive menstrual flow or dribbling), wet ringworm, and blood in the stool.
Amaranth can be used fresh or dried. For fresh use, it can be boiled in porridge, mixed with cold water, or grated into juice; for dry use, it can be decocted and taken with water. Its adverse reactions and contraindications are not clear, note that pregnant women and people with spleen deficiency and loose stools should not take.
Drugs should be taken under the guidance of a physician, such as after the use of adverse reactions, to stop taking, and seek medical attention in a timely manner, do not take medication without authorization, in order to avoid adverse consequences.