P6 Ultimate Review: Cellucor's NEW Ultimate Anabolic ...
Jul 22, 2017· P6 Ultimate’s T-Boosters & Other Ingredients. Vitamin D – The lone ingredient that’s not included in the two prop blends.At a hefty 3333 IU dosage and potent Cholecalciferol (Vitamin D3) form, this vitamin is essential if you want higher levels of testosterone.