Should I avoid eating lychee on an empty stomach during menstruation?
Generally speaking, during menstruation, one should avoid eating lychees on an empty stomach. The detailed explanation is as follows:

Lychees contain a significant amount of sugar and some organic acids. During menstruation, the body is in a special physiological state and gastrointestinal function is relatively sensitive. On an empty stomach, with no other food to buffer in the stomach, the organic acids in lychees may irritate the gastric mucosa, promote increased secretion of gastric acid, and easily cause gastrointestinal discomfort, such as bloating and acid reflux. Meanwhile, consuming a large quantity of lychees on an empty stomach may rapidly elevate blood sugar levels, followed by a sharp drop, increasing the risk of hypoglycemic reactions such as dizziness and fatigue.
From a health and nutrition perspective, regardless of whether one is menstruating or not, consuming large quantities of lychees on an empty stomach may burden the body. During menstruation, when the body's resistance fluctuates, more attention should be paid to dietary habits to avoid physical discomfort caused by eating lychees on an empty stomach, which could affect the menstrual condition.
In daily life, during menstruation, it is advisable to eat lychees in moderation after meals. This can reduce gastrointestinal irritation and help better absorption of nutrients in lychees. At the same time, maintaining a diversified diet, appropriately combining other foods, and developing good eating habits can assist the body in smoothly passing through the menstrual period.