An amino acid naturally found in male testes, pituitary gland, and hypothalamus. Studies show 3 grams to increase testosterone levels by 42% in healthy men.
Fast becoming one of the most reliable new products to come out in years. Can be taken alone, or stacked with other supplements including pre-workout powders, creatine, glutamine or BCAAs.
Do not take with whey protein in the same shake (complex proteins like whey may interfere with d-aspartic acid's uptake). May be used by adult athletes of all ages.

• Increase recovery ability
• Aids in optimizing testosterone production/span>
• Banned substance tested - Informed-Choice certified
• Vegetarian sourced