Both remain classified as research compounds, and all published data comes from preclinical and animal studies rather than human clinical trials
These murine models were initially presented with corticosteroids, which reportedly contributed to severe muscular damage in these murine models
TB-4 should be full-length thymosin 4 (43 amino acids), although some products label it "TB-500"
Frequently cited gaps include standardized formulations, validated pharmacokinetics, formal toxicology, independent replication, controlled human trials, and long-term safety data
Prepared peptide solutions have a shorter usable window and should be stored according to the protocol and supplier guidance
Thymosin alpha-1 is sometimes described as "immune-enhancing," which understandably worries people whose disease involves an overactive immune system