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Description
Unlike most peptides, it is stable in gastric juice, which is part of why it is one of the most heavily researched peptides available

doi: 10.1093/jnci/djn072
4. Will Limitless make me feel jittery

P.SpectorE
And what about Amplifica

The full-length recombinant Thymosin Beta-4 has separately been investigated in clinical trials by RegeneRx for several indications