VITAMIN D Take 1,000 IU of vitamin D3 twice per day with meals.
RHODIOLA ROSEA 100-1,000 mg per day in 2-3 doses, standardized to 3% rosavins and 1% salidrosides, on an empty stomach.
Source Citation (MLA 7th Edition)
Elliott, Tabatha. "Stack of the month." Joe Weider's Muscle & Fitness Jan. 2010: 210.