Some injections are vitamins or nutrients, such as B12, D3, MIC/B12, glutathione, CoQ10, and NAD+
Injectable batches are sterility risks if not produced by licensed compounding pharmacies
Others schedule maintenance to help keep levels steady, especially if they follow a plant-forward diet, take certain medications that affect absorption, or have a history of deficiency
We offer shots up to once monthly without a prescription
Key quality indicators to look for: Third-party testing: Certificate of analysis (COA) from an independent laboratory showing purity (ideally above 98 percent), identity, and absence of contaminants Proper storage during shipping: Lyophilized peptides are relatively stable, but improper handling can still degrade them Transparent sourcing: Reputable suppliers provide information about their manufacturing process and quality control Our peptide testing labs guide covers how to evaluate quality, and the best peptide vendors guide discusses sourcing considerations