{"product_id":"first-endurance-optygenhp-120-capsules","title":"OptygenHP de First Endurance - 120 cápsulas","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eFirst Endurance OptygenHP - 120 Capsules\u003c\/strong\u003e is a stimulant-free endurance supplement built around clinically studied ingredients designed to improve oxygen utilization, raise lactate threshold, and reduce recovery time. The formula draws on adaptogens and performance compounds — including beta-alanine — intended to support VO2 max, ATP production, and cortisol management without relying on caffeine or synthetic stimulants.\u003c\/p\u003e\n\u003cp\u003eFirst Endurance cite studies showing OptygenHP can lower cortisol levels by 26% and increase time to lactate threshold by 42%. For endurance athletes managing heavy training loads, that combination of stress hormone control and delayed fatigue onset is the core of what this supplement is designed to deliver.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"First Endurance","offers":[{"title":"Default Title","offer_id":43860665663532,"sku":"92019","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/first-endurance-optygenhp-120-capsules-7880535.jpg?v=1771294154","url":"https:\/\/ricycles.com\/es\/products\/first-endurance-optygenhp-120-capsules","provider":"RA Cycles","version":"1.0","type":"link"}