B12 does not provide any extra energy if you are not deficient
While mice lacking adipose HSL can achieve near normal rates of TAG hydrolysis, these animals display severely blunted DAG lipase activity, and as a result, DAG accumulates in adipose tissues (44)
Gastrointestinal Disturbances: While it's touted for gut health, improper dosing or impurities can lead to nausea, diarrhea, or abdominal pain
Kokot A, Zlatar M, Stupnisek M, et al
Individuals can use funds for the following: Copays or deductibles Prescribed medicine (including insulin) Certain medical equipment Specific things you can use HSA funds on include contact lenses, crutches, chiropractic care, hospital services, and dental treatment
I don't remember off the top of my head the two strains of bacteria, but they're very commonly deficient in people that have eczema and psoriasis