Mechanical loading also affects skeletal muscle production by IGF-1, and low IGF-1 levels are associated with low handgrip strength and poor physical performance
They tend to fall into the same category as reactions people already know from vaccines or other subcutaneous injections: a sore spot, mild swelling, or slight fatigue that clears up within a day or two
For another key nutrient in this space, see our guide on magnesium for anxiety and stress, which covers the GABA and parasympathetic pathways that complement what B12 does on the neurotransmitter side
Saha B, Kamalumpundi V, Codipilly DC
GLP-1 Mechanism and Its Specific Impact on IBD Pathophysiology GLP-1 agonists work by enhancing insulin secretion, slowing gastric emptying, and activating GLP-1 receptors throughout the GI tract