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Jacked-in-a-Box is designed to allow you to try all the latest supplements before you buy them. Each month, members receive a handselected assortment of top products from the top brands in sports nutrition supplements delivered directly to their door.
In addition to this monthly box of supplement samples, members also receive FREE shipping on all orders at The M&F Store, plus a FREE subscription to their choice of Muscle & Fitness, FLEX, Men’s Fitness, or Muscle & Fitness Hers.
For more info on how to join, go to jacked-in-a-box.com.
Drive muscle growth, muscle-cell volume, and NO production with a combination of creatine, glycine, alpha-lipoic acid, and other ingredients. This blend also increases intensity and focus, with tyrosine, cafeine (225mg), and phenylalanine, and has B vitamins and electrolytes for energy and recovery.
This mass and endurance blend helps increase muscle-cell volume with glycerol monostearate, NO boosters, and beta-alanine, among others. Neurostimulating cofactors include forms of choline, tyrosine, and ginkgo biloba. Also includes high-potency vitamin B, Cofea robusta, and Nelumbo nucifera (Indian lotus) seed extract.
Formulated to enhance and intensify your workouts, 1.M.R Vortex delivers 1,705mg of BPI’s full-speed vortex matrix blend: glycerol monostearate to pump up your muscle cells; caffeine to improve strength and reduce workout pain; yohimbe to burn fat; and supplements like white leadwort to boost focus and energy.
This preworkout supplement supercharges you before training and helps recovery. Creatine, beta-alanine, and NAC drive muscular power and endurance. Agmatine sulfate, pine bark extract, and other ingredients support NO production. Withania somnifera helps control cortisol, a catabolic hormone that reduces your muscles’ ability to grow.
Designed to drive ATP production, trigger optimal circulation, and drive nutrients to working muscles, each dose contains more than 7g of a proprietary blend. The advanced NO booster contains multiple forms of arginine; the power complex contains beta-alanine, glycine, citrulline, and others; and the energy-boosting fraction contains taurine, caffeine, and glucuronolactone.
This formula includes an ATP amplifer to increase muscle-contracting intensity; a cellular transport and insulin activator to shuttle nutrients into muscle cells; a performance blend of NO boosters and BCAAs; and an energy igniter and hydration system comprised of coconut water powder, caffeine, huperzine A, and many other ingredients.
Each two-scoop serving provides 4g of citrulline to spur NO production, more than 3g of beta-alanine to increase muscular endurance, and a phytoblend of beet juice powder, grape seed extract, and red wine grape extract. In addition, 200mg of cafeine boosts strength and reduces workout pain.
Prodigy contains a fusion of NO-producing and strength-boosting ingredients, including beta-alanine, agmatine sulfate, and creatine. In addition, the product’s powerful energy-and-focus blend contains glucuronolactone, tyrosine, caffeine, and dendrobium alkaloids.
Ignite your pump with two blends: one that emphasizes pump and performance, and a second that boosts mood. The first contains more than 3.5g of beta-alanine, plus beet root extract and niacin. The second delivers caffeine, Mucuna pruriens, choline, agmatine sulfate, and other ingredients.
Among the ingredients in this proprietary blend are caffeine anhydrous, 4-amino-2-methylpentane citrate, yohimbine, and theacrine, which provide energy and focus to get you through intense training sessions.