Poria itself has no side effects, so it is good to control the dosage, but it should be noted that not everyone can take Poria, such as people who are allergic to Poria, and pregnant women are also taboo. In addition, it should be noted that men with kidney deficiency should not take poria cocos, because poria cocos will accelerate the production and discharge of sperm, which will easily aggravate the situation of kidney deficiency.
Extended data:
Poria cocos is the most common fungus. Most of them are irregular blocks, such as spherical, flat, rectangular or rectangular, with different sizes, such as fists, and 20 ~ 30 cm in diameter. The epidermis is grayish brown or dark brown, with tumor-like shrinkage, and the interior is white and slightly pink, consisting of countless hyphae.
The fruiting body is umbrella-shaped, with a diameter of 0.5 ~ 2 mm and a slightly toothed mouth; Sexual generation is not easy to see, and it is honeycomb-shaped, usually with sclerotia. At first, it is white, and then gradually becomes light brown, with polygonal pores, rod-shaped basidiospores, oval to cylindrical basidiospores, slightly flexed, pointed at one end, smooth and colorless, and has a special smell.
Baidu Encyclopedia-Shen Fu