Collagen peptides are a mixture of peptides formed by protease degradation of collagen or gelatin. They are rich in essential glycine, proline, hydroxyproline, etc. and have been used as food additives to improve joint diseases and skin conditions.

The results show that simulated microgravity can inhibit the proliferation of spleen T lymphocytes and reduce the level of cytokines produced, while collagen peptides can promote the proliferation and cytokine secretion of lymphocytes cultured under simulated microgravity conditions.

Conclusion: Collagen peptides powder may reduce the inhibitory effect of simulated microgravity on T lymphocytes by regulating the proliferation function of lymphocytes and the secretion of cytokines.

In summary, collagen peptides can improve the inhibitory effect of simulated microgravity on T lymphocytes to a certain extent, and collagen peptides are a nutritional supplement with no toxic side effects. Therefore, collagen peptides may become a food additive for regulating immune function during space flight.

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