In addition, peptide nasal sprays are known for their ease of use and convenience, because they require no needles or injections
In most people, the most common signs of a vitamin B12 deficiency may include fatigue, lethargy, pins and needles in the hands and feet, oral problems, confusion, and irritability
Both peptides also show overlapping anti-inflammatory signals in separate studies, with each associated with reduced pro-inflammatory cytokines such as IL-6 and TNF-alpha in animal models
You may notice mild redness at the injection site for a day or two, and some patients experience slight fatigue during the first few days
Take care: Keep the spray pump clean and refrigerated at all times to prevent contamination and peptide degradation