Food element thought to be effective in Improvement of basal metabolic rate

Beer yeast

Food including Beer yeast thought to be effective in Improvement of basal metabolic rate.
Beer  /  

Gamma-Linolenic Acid

Food including Gamma-Linolenic Acid thought to be effective in Improvement of basal metabolic rate.
Breast milk (mother's milk)  /  Evening primrose (oenothera tetraptera)  /  Borage (Borago officinalis)  /