GNC Mega Men - Energy Metabolism Vitapak Program: Supports Heart And Sexual Health GNC Mega Men Energy Metabolism Vitapak Program is a complete nutrition system to give you a daily boost of energy and calorie burn. These daily convenient packs provide 5 products-in-1 - at a great value and a better price than buying each separately. Each pack provides everything you need to support energy and metabolism, including a high-quality Men?s Multivitamin, Energy and Metabolism Igniter, Carnitine, Staminol, and High-Potency Fish Oil. Energy and Metabolism: Features a clinically studied calorie-burning blend of thermogenic ingredients plus 200mg of caffeine for focus and alertness. Also provides nutrients to support physical endurance and energy production. Clinically Proven Multivitamin Blend: Clinically proven to work better than a basic multi at boosting levels of key nutrients that support energy production and immune health^. Heart Health: Each fish oil pill is packed with 700mg of EPA, which is important for cardiovascular and circulatory health. Sexual Health: Includes herbs that are traditionally used to support sexual health and L-arginine, which plays a role in sexual health. Muscle Fuel: L-Carnitine helps use fatty acids as energy and fuels skeletal muscles. Convenience and Value: Provides 5 products-in-1 at a better price than buying each separately. The daily packs are individually wrapped, making them convenient and easy for on-the-go. Quality You Can Trust: No artificial flavors. Contains clinically studied ingredients. How to take: Take the contents of one pack daily with food. Do not take prior to bedtime. Backed By Science: Since 1935, GNC has been committed to meeting the highest standards of quality, safety, and efficacy while applying the most up-to-date advances in nutritional science so you can live well. ^In a randomized, double-blind, placebo-controlled study of 112 healthy participants, those taking the GNC vitamin and mineral blend for six weeks had statistically significant increases in serum levels of a group of B vitamins and a group of antioxidants and carotenoids based on a multivariate statistical analysis when compared to those taking placebo or a basic multivitamin.