anyone recommend any decent supplements for cardio days. Missus is after something thats stim free but will help with her heavy cardio days, twice a week. She does cardio ED but two days its high intensity stuff. currently ive got a tub of Yamamotos's ShauraKHAN which she uses, but its running low. I dont mind paying the high price of it as i know it works well, but im open to other supps? https://www.yamamotonutrition.com/eng/shurakhan_pr31318 i take it for cardio ingredients like Beta Alanine and Citrulline Malate are key?