Build Muscle

Inside the October Jacked-in-a-Box Sample Box

In October, M&F Editors picked these supplements for Jacked-in-a-Box members to try.

Inside the September Jacked-in-a-Box Sample Box

Beast Aminolytes

Provides amino acids and electrolytes. BCAAs, plus a matrix of methionine, histidine, and others, accelerate recovery. Sodium phosphate and magnesium replenish electrolytes.

Get Beast Aminolytes at the Muscle & Fitness Store >>



BSN Syntha-6 Isolate

Consisting solely of isolate proteins, Syntha-6 Isolate delivers slow- and fast-digesting whey and milk isolates. Sustained release means it’s perfect anytime.

Get BSN Syntha-6 Isolate at the Muscle & Fitness Store >>



Gaspari Glycofuse

Designed for athletes, this carb supp supports performance and rapid recovery. Loaded with electrolytes, each serving has 25g of carbs, relying on highly branched cyclic dextrin.

Get Gaspari Glycofuse at the Muscle & Fitness Store >>



MHP Dopamite

Dopamite helps you produce dopamine—a feel good brain chemical that plummets when you restrict calories —by providing Nacetyl L-tyrosine, phenylalanine, caffeine, and Mucuna pruriens. You’ll stay satisfied while slashing fat.

Get MHP Dopamite at the Muscle & Fitness Store >>



MusclePharm Assault

CarnoSyn amps up ATP production with beta-alanine and also includes insulin activators, a performance blend, energy, hydration, and neuro support. Other key ingredients are cinnulin and leucine.

Get MusclePharm Assault at the Muscle & Fitness Store >>



Quest Bar

Great-tasting bars that can deliver up to an amazing 18g of fiber and 21g of protein, topping out at only 210 calories—and an available 6g net carbs. Our favorites include white chocolate raspberry and chocolate chip cookie dough.

Get Quest Bar at the Muscle & Fitness Store >>




VPX Protein Rush Shake

This product delivers whey and casein for fast-acting delivery and extended anabolism—with absolutely no sugar. Each serving provides 28g of protein, as well as a broad spectrum of vitamins and minerals.




NLA Uplift

At only 10 calories per serving, Uplift packs muscle-supporting aminos including BCAAs and beta-alanine. DMAE and vinpocetine improve mental focus..



GAT Muscle Martini

This muscle-builder contains BCAAs and glutamine, plus adaptogenic herbs to boost energy and reduce cortisol.

Get GAT Muscle Martini at the Muscle & Fitness Store >>



Members have the chance to win a Beats by Dre Pill (a $199.95 value) by writing a Muscle Martini review at The M&F Store. Learn more at


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