Food Sci Nutr 10(1):272285
US-manufactured lots are covered by our USA CoA program
because rigorously controlled human safety data specific to the TB-500 fragment does not exist, its longer-term risk profile, including possible immune reactions, remains unknown Evidence snapshot: Evidence for TB-500 itself is preclinical, drawn mainly from cell-culture and animal studies (a 1999 rat wound-healing study and later rodent cardiac- and tendon-injury models), with a 2026 scoping review describing the musculoskeletal literature on thymosin beta-4 and TB-500 as sparse and largely preclinical
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But we dont have large-scale human trials showing its safe and effective for dental use
Again, as a word of caution, always consult with a medical professional before taking any form of supplement