Xu H, Zhang C, Qian Y, Zou J, Li X, Liu Y, et al
They're not interchangeable
On the other hand, some studies show that taking a high dosage of vitamin B12, such as 1000 mcg, can be an alternative to vitamin B12 injections for those who are lacking the intrinsic factor protein in their diet, or for those with other conditions that do not allow them to absorb their vitamin B12 intake fully
Incorporating a variety of whole foods, such as fruits, vegetables, whole grains, lean proteins, and healthy fats, can provide the essential vitamins and minerals needed for optimal energy production
As noted by the Alzheimers Drug Discovery Foundation (ADDF), the bulk of research involving epithalamin and epithalon has been conducted in Russia (or formerly, the Soviet Union) and has not been subject to independent confirmation