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Oral administration of glycine increases extracellular serotonin but not dopamine in the prefrontal cortex of rats

Burton GJ, Jauniaux E

So youd think a cats diet would contain plenty of B12

Common administration methods include: Subcutaneous injections (most common, high bioavailability) Oral capsules (for peptides stable in digestion) Nasal sprays (for neuro-targeted peptides) Topical creams (for skin and soft tissue concerns) Treatment is often personalized , with protocols tailored to individual goals (e.g., muscle growth, anti-aging, healing), and monitored via lab tests to ensure optimal dosing and outcomes