Productrelated toxicity is a real risk since real world vials are untested
The specific therapies the brand offers under this program, per its own site, are: Vitamin B12/MIC injection NAD+ injection NAD+ oral liquid drops NAD+ nasal spray Sermorelin injection The brand frames these as an "integrated protocol" rather than a menu of unrelated add-ons - positioning that's worth reading as brand marketing language rather than an independently confirmed clinical finding, since no third-party clinical trial data on the combined protocol was available in the materials reviewed for this article
Oral supplements may not also be best for those with acute B12 deficiency, as theres no way to tell how much is getting absorbed by the body
However, those with allergies may face some side effects that may lead to something serious
Other types, like hydroxocobalamin, might be used for different reasons
[3] : 313 The most common cause in developed countries is impaired absorption due to loss of gastric intrinsic factor (IF), required for absorption