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And it does not appear to occur at the same rate across all GLP-1 medications and doses

Browne RW et al

Common: appetite changes, fatigue, yawning Many users report eating less, feeling sleepy, or yawning soon after a dose

However, muscle uptake of carnitine from the blood is a long process and is not highly sensitive to additional carnitine uptake [271], indicating that muscle cells have a certain degree of saturation of carnitine uptake and that additional intake has a limited effect on muscle carnitine levels when the energy demand is low or when the metabolic status is stable

McLoughlin LM et al

Phase 2: Larger trials measure weight loss and side effects