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TB4-FRAG TB4-FRAG (Ac-SDKP) is a tetrapeptide fragment of Thymosin Beta-4
While this does not mean FDA approval yet, it is a big step in recognizing that regulators & lawmakers are engaging seriously with peptides instead of ignoring them
As a 2026 review noted, the original composition-of-matter patents "have likely expired reducing the commercial exclusivity that typically incentivizes industry-sponsored Phase II and III development" [13]
Visible Brightening (Week 3-4): Initial dark circle lightening appears
Individuals seeking additional antioxidant support, healthy aging support, and overall cellular wellness may consider glutathione-supporting supplements
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