Nasal sprays tend to give a more gradual effect which isnt necessarily a drawback, especially if your goal is steady-state sleep support rather than a one-off acute shock
Official labeling states that bacteriostatic water contains water plus either 0.9 percent, equal to 9 mg/mL, or 1.1 percent, equal to 11 mg/mL, benzyl alcohol
Longer or higher-volume protocols 100mg
Vitamin B12 injections are intramuscular preparations primarily used to treat confirmed vitamin B12 deficiency
View Study [6]"Expression and activation of matrix metalloproteinases in wounds: modulation by GHK-Cu" Simeon A, Monier F, Emonard H, Gillery P, et al., 1999 Finding: GHK-Cu was shown to intelligently regulate wound remodeling enzymes (MMPs)increasing them when needed for tissue restructuring and decreasing them to prevent excessive breakdown
Inflammatory Bowel Disease (IBD) : IBD is another common cause of vitamin B12 deficiency in dogs