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Mild swelling at injection site A small bump or slight puffiness where you injected is normalit's just the fluid sitting under the skin before absorption

Mimoto T, Miyazaki K, Morimoto N, Kurata T, Satoh K, Ikeda Y, et al

Another beneficial component is Zinc

A 2026 meta-analysis found the strongest evidence for peptides overall came from oral supplements, not topical application

Furthermore, when combined with anti-PD1 or anti-CTLA4 antibodies, CB-839 promotes the infiltration of effector T cells into tumors and upregulates IFN-associated gene expression, thereby enhancing the antitumor activity of these checkpoint inhibitors [199]