Build Muscle

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

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

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


Each scoop of Anotest mixed with four ounces of water delivers powerful testosterone-boosting benefits with a complex that includes D-aspartic acid, L-carnitine tartrate, and boron citrate to free active testosterone and amplify androgen receptor concentration. Anotest also offers a recovery complex that provides one gram of glutamine and 1,650 milligrams of BCAAs, per scoop. Sent to men only.

Get MuscleTech Anotest at the Muscle & Fitness Store >>



Each dose of this pre-workout supplement contains a blend of different forms of creatine and other ingredients that help you perform at your peak. Creature contains creatine in the forms of monohydrate and alpha-ketoglutarate, as well as buffered Crea-Trona. It also contains astragalus, Panax notoginseng, and cinnulin to support better uptake.

Get Beast Creature at the Muscle & Fitness Store >>



This post-workout contains a pro- prietary blend that includes several forms of creatine (anhydrous, ethyl ester, and others). Also added to this blend are the insulin and electrolytic matrix (emphasizing cinnamon bark, Atlantic kelp powder, and others), the JetMass BCAA recovery blend, and the JetMass growth-inducing/anti-catabolic nootropic matrix.

Get GAT JetMass at the Muscle & Fitness Store >>



CREmTOR contains a proprietary blend of creatine monohydrate, specific BCAAs, and a creatine/leucine peptide formulation. On top of the proprietary blend, CREmTOR includes another 2.5 grams of standard BCAAs. These ingredients, plus patent-pending L-Leucyl-L-Isoleucine, and patented creatine peptide mTORC1 help pack on muscle fast.

Get VPX CREmTOR at the Muscle & Fitness Store >>



This protein product was designed to deliver protein immediately and for as long as eight hours after ingestion. Phase8 contains a blend of milk protein isolate, containing whey and casein proteins. Sustained release of protein encourages anabolism (muscle growth) while fighting catabolism (muscle breakdown) brought on by intense weight training.

Get MuscleTech Phase8 at the Muscle & Fitness Store >>



Members got the only protein powder on the market that also works as a thermogenic, building muscle while it revs up metabolic rate to encourage fat burning. IsoBurn includes green coffee extract and other fat burners in addition to 20 grams of protein per serving for body recomposition—greater muscle mass and less body fat.

Get BSN IsoBurn >>



This muscle and joint rejuvena- tor contains a crucial supplemental ingredient that helps calm your body topically after intense workouts: camphor. PhysioBalm also delivers important ingredients that penetrate your skin for better recovery. These include copper, a mineral that’s crucial for the biosynthesis of bone and connective tissues, and methylsulfonylmethane (MSM).

Get SNAC PhysioBalm at the Muscle & Fitness Store >>


Universal Nutrition Animal

This DVD documents the scene at the Arnold Fitness Expo, inside the “cage” at the Universal Nutrition booth. You’ll get an inside view of the Animal subculture, where the best powerlifters in the world are showcased. The feats of strength are so wild, and the intensity so palpable, seeing is the only way of believing, and The Cage takes you as close as cameras have ever dared to go.


Jacked-in-a-Box members get the best deals on supplements, bar none. Sign up and you’ll receive:

  • At least 5 samples of new products (sometimes up to 10!)
  • A free workout from an M&F editor.
  • A full-year, print subscription to Muscle & Fitness, Muscle & Fitness Hers, FLEX, or Men's Fitness.
  • Free shipping on any order at The Muscle & Fitness Store and a promo code for $15 off your first $75+ order.
  • You’ll also get to write reviews to share with other readers—just like our editors.


Win MHP Edition Flips Headphones

  • Join Jacked-in-a-Box by May 6 for your chance to win MHP Edition Flips Headphones ($119.99 value).
  • A free workout from an M&F editor.
  • You’ll receive a sample of MHP’s Dark Matter Zero Carb Concentrate.
  • Write a review at The M&F Store to be entered to win the MHP Edition Flips Headphones.
  • For more information, go to