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They also arent even used in the same way prescription and over-the-counter medications are

Its common to start treatment for a significant vitamin B12 deficiency with weekly intramuscular shots (1000 micrograms of vitamin B12)

Bacteroides species differentially modulate depression-like behavior via gut-brain metabolic signaling

MOTS-c has shown promise in promoting healthy aging, as it may reduce inflammation, improve physical endurance, and optimize metabolic functions, contributing to better overall health and longevity

Choi J, Kwon HJ, Seoh JY, Han PL

Patients were not allowed to use additional treatments for eight hours prior to study medication dosing and during the four-hour observation period following study treatment