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Don't mix multiple in-use bottles
This method delivers the peptide directly where its needed , speeding up the healing process
Malinda et al.: thymosin beta-4 in rat and keratinocyte models related thymosin beta-4 research
The FDA placed it in 503A Category 2 ("may present significant safety risks") in 2023, effectively barring compounding pharmacies from using it, then removed it from that category in April 2026 after nominators withdrew their submission, without adding it to the approved Category 1 compounding list
It had limited food-supplement GRAS history in some jurisdictions but Australia's TGA placed it on Schedule 4 (prescription) in 2020
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