Subcutaneous injection into abdominal fat or near the site of injury (as commonly practiced by self-experimenters) is the most reported approach, but this is not a clinical protocol
For our CD review, we used our CD methodology, which looks at interest rates, minimum opening deposits, early withdrawal penalties, CD variety, customer support availability, mobile app ratings, miscellaneous features, security, and the ethics of the company
Record the date of first vial entry and discard after 28 days regardless of remaining volume and the bacteriostatic preservation system provides a defined multi-use window, not indefinite sterility maintenance
But product quality is not always the issue
The most common method, also introduced by Schilling, is to inject a high dose of unlabeled B12 to saturate all binding capacities of the B12 binding proteins, and thereby facilitating urinary excretion of the absorbed radioactively labeled B12