Side effects are uncommon and usually mild: Soreness or redness at the injection site Mild digestive upset Allergic reactions, which are rare Because a shot is an injection, it should always be given by a trained provider
Likely secondary to increased NAD+-dependent mitochondrial activity
Metformin, the first-line oral glucose-lowering agent recommended by NICE for type 2 diabetes (NG28), is well established as a cause of B12 malabsorption
However, these side effects are temporary and will subside quickly
References European Journal of Anaesthesiology Delta sleep-inducing peptide: discovery, structure, and pharmacological overview Neuroscience & Biobehavioral Reviews (PubMed) Delta-sleep-inducing peptide (DSIP): a review of sleep-promoting and neuromodulatory effects European Neurology (PubMed) Effects of delta-sleep-inducing peptide on 24-hour sleep-wake behaviour in severe chronic insomnia European Neurology (PubMed) DSIP in insomnia: timing and frequency of administration in clinical trials Tocris Bioscience Stability and storage guidelines for research peptides MedlinePlus (U.S
Combining B12 injections with these healthy habits can amplify their benefits and achieve a higher level of energy, vitality, and overall wellness