Dosages may vary based on patient needs and provider protocol
Note that while elevated homocysteine is associated with an increased risk of Alzheimer's disease, systematic reviews of clinical trials comparing vitamin B12 supplementation to placebo groups have not shown a significant effect in preventing or slowing Alzheimer's disease or cognitive decline
In the United States, injectable vitamin B12 and most combination vitamin B complex injections are regulated and generally require a valid prescription from a licensed healthcare professional
The benefits claimedreversal of aging, improved cognition, enhanced metabolismremain unproven in controlled human trials
This primarily stems from internal differences, like the amount of intrinsic factor released in the stomach or genetic defects (much like an MTHFR mutation)
Most undissolved particles will dissolve on their own as the temperature stabilizes and the water slowly saturates the remaining powder