First Endurance

Optygen: 90 capsules (EB7201)

Optygen is a legal, safe and stimulant-free formula designed specifically to optimize performance for endurance athletes.
  • Formula is based on human clinical trials and the latest scientific research on increasing endurance
  • Improved ability to utilize oxygen more efficiently
  • Increased ability to adapt to high levels of physical stress
  • Increased VO2Max
  • Increases anaerobic threshold
  • Reduces lactic acid
Item Specifications
Serving Size3 Capsules
Serving Per Container30
Harris Cyclery |::| 1353 Washington St., Newton, MA 02465 |::| 617-244-1040
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