l-carnitine+zinc+vitamin c & e+selenium Clean Nutraceuticals Selenium 300mcg Zinc 50mg Iodine 500mcg L Tyrosine 500mg Ashwagandha 6000mg Terry Naturally Zinc Plus Selenium – 60 Capsules combines two essential minerals for immune support Nac Supplement N-Acetyl Cysteine Vitamin
Description
Boosts Endurance & Recovery: Reduces fatigue and promotes lean muscle repair

On the other hand, others (such as yohimbe) have been found to be relatively ineffective

P.ShinozakiK.et al
L-Carnitine enhances performance by increasing the bodys reliance on fat for energy
