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The safety profile remains poorly characterized in humans, and no officially recognized clinical use exists

doi:10.5606/kbbihtisas.2016.87094

Older people with gastrointestinal problems are more susceptible to B12 deficiency, due to increased issues with absorption

While oral BPC-157 does get absorbed systemically (especially from an empty stomach), its bioavailability is inherently lower than an injection

Third, mitochondrial support

Mechanism of Targeted Enhancement Central Desire Signaling (e.g., PT-141/Bremelanotide): Certain peptides act directly on the central nervous system (CNS) to increase sexual motivation, desire, and arousal