{"product_id":"first-endurance-optygen-hp-120-capsules","title":"First Endurance Optygen HP 120 Capsules","description":"\u003ch3\u003eCLINICALLY PROVEN ENDURANCE FORMULA\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eOur premium legal, safe and stimulant-free formula that’s engineered to increase endurance and performance.  Studies on endurance athletes who used OptygenHP had a \u003c\/span\u003e42% increase in time to lactate threshold, a 26% reduction in cortisol and a significant improvement in endurance capacity.\u003c\/p\u003e\n\u003cp\u003e✓ Maximizes oxygen utilization \u0026amp; VO2 max\u003cbr\u003e✓ Optimizes ATP production\u003cbr\u003e✓ Reduces \u0026amp; buffers lactic acid\u003c\/p\u003e","brand":"First Endurance","offers":[{"title":"Default Title","offer_id":46614588162233,"sku":"82019","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/6552\/6457\/files\/Screenshot2026-03-12at5.09.34PM.png?v=1773349898","url":"https:\/\/www.durangobikes.com\/es\/products\/first-endurance-optygen-hp-120-capsules","provider":"Durango Bikes","version":"1.0","type":"link"}