Can crayfish and lychee be eaten together?

May 23, 2025 Source: Cainiu Health

Dr. Yu Yongchao

Introduction

Under normal circumstances, crayfish and lychee can be consumed together, but it is not recommended to eat them in large quantities. However, there are some considerations when consuming them together. Crayfish have a complex living environment, so it is essential to ensure their freshness. They should be thoroughly cleaned to remove dirt and impurities, and cooked completely to kill parasites and bacteria. Lychee has a high sugar content, and excessive consumption may cause a rapid increase in blood sugar levels and potentially lead to symptoms of "heatiness."

Generally speaking, it is safe to eat small lobsters (crayfish) and lychees together, but excessive consumption is not recommended. Detailed explanations are as follows:

Small lobsters are rich in high-quality protein, various minerals, and vitamins, which can help replenish energy and enhance immunity. Lychees contain abundant glucose, sucrose, vitamin C, and multiple organic acids, aiding in restoring physical strength and promoting blood circulation. When consumed together, they can meet the body's protein needs while quickly replenishing sugars, achieving diverse nutritional intake.

However, there are some precautions when consuming them together. Crayfish have complex living environments, so it is essential to ensure freshness, thoroughly wash off mud and impurities, and cook them completely to eliminate parasites and bacteria. Lychees have a high sugar content, and excessive consumption can rapidly raise blood sugar levels, potentially causing heatiness symptoms. People with diabetes and those with yin deficiency and excessive internal heat should strictly control their intake. Moreover, crayfish are high-protein foods that digest relatively slowly, while lychees are warming in nature. Eating excessive amounts of both together may burden the gastrointestinal system, leading to bloating and indigestion. It is advisable to consume them in moderation to enjoy their flavors while safeguarding health.

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What is the yellow substance inside a crawfish's head, and is it edible?

The hepatopancreas is the digestive organ of the crayfish, responsible for metabolism and toxin storage. It can easily accumulate heavy metals, bacteria, and other harmful substances, which may be difficult to completely remove even with high-temperature cooking. Consumption may cause adverse effects on the body. Although the gonads contain certain nutrients, they are mixed together with the hepatopancreas and are difficult to accurately distinguish, increasing the risk of inadvertently ingesting harmful substances.

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Can patients with hyperthyroidism eat crawfish?

Patients with hyperthyroidism can eat crayfish, but it is not recommended to consume them in large quantities. Although crayfish are nutritious, patients should still eat them in moderation to avoid excessive intake that may lead to indigestion or other health problems. Patients should choose light and healthy cooking methods, such as steaming or garlic-flavored preparations, and avoid cooking methods with heavy oil, excessive salt, or strong spices such as chili peppers.