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Introducing Doc's Whey

Introducing Doc's Whey


100% Natural, Non-GMO-Sourced Whey Protein Isolate


It’s an undeniable fact: sometimes simple is better.

If it takes you ten minutes to read the ingredients label on a whey protein supplement, it’s time to start asking yourself how many of those ingredients are in that jug for your benefit, and how many are in there for the manufacturer’s benefit. More specifically, how many of those ingredients are present solely to help the product last longer on the shelf or to make poor-quality proteins taste a little better?

Fortunately, not every protein manufacturer is putting their interests before yours. Take Doc’s Whey, the new 100% natural whey protein researched and formulated by sports nutrition expert and acclaimed trainer Dr. Carlo...

Draymond Green: A Warrior On A Mission

Draymond Green: A Warrior On A Mission

The Warriors’ Ultimate Weapon
On His Gold Medal, Training, and
His Quest for a Second NBA Title

A ProSource Exclusive Interview
With NBA All-Star Draymond Green



Draymond Green will not take “no” for an answer.

He wouldn’t take “no” when he slipped to the second round in the 2012 NBA Draft (and yes, he does remember the names of every player drafted before him). He wouldn’t take “no” when he was a back-up for most of his first two seasons with the Golden State Warriors. And he certainly won’t take “no” for an answer as a reigning NBA All-Star, shutting down opponents who are ofte...

Practical Testosterone Support Strategies That Work

Practical Testosterone Support Strategies That Work

Lifestyle and Diet Guidelines,
Plus a True Clinical-Grade
T-Level Support Technology


Are you worried about your testosterone levels? If you’re not, recent research conducted on populations of normal healthy North American males suggests you should be. And if you are concerned about your levels of a man's most important hormone, you should know that there are practical, common-sense steps you can take to address the problem.

Before we get to both those alarming findings and some very promising solutions, let’s make sure we’ve defined the terms of the dilemma many men like yourself find themselves in.

Testosterone: The Basics

Testosteron...

Mark Wahlberg Dives Deep

Mark Wahlberg Dives Deep

ProSource Exclusive Interview:
Mark Wahlberg Talks His New Film, Deepwater Horizon,
New Supplement Line, His Training Regimen & More!






Is there a more versatile actor in Hollywood than Mark Wahlberg?

He can match comedic chops with Will Ferrell (The Other Guys, Daddy’s Home) and restore a blockbuster summer franchise to its former glory (Transformers: Age of Extinction and soon, Transformers: The Last Knight). He can bring passion and i...

5 Supplement Secrets of the Successful Bodybuilder

5 Supplement Secrets of the Successful Bodybuilder

And The One Brand They Trust
To Attain Their Physique Goals

Everybody likes to read the latest news on the hottest supplement technologies for bodybuilders. Scientific breakthroughs! Amazing results! The advancement of sports science can be—and should be—very exciting. Sometimes, though, the most valuable piece of information contained in those articles isn’t in bold type at the top of the article, but in tiny type at the bottom.

“Consult your physician before beginning a new exercise or dietary program.”

There’s a reason this statement appears at the foot of every training and nutrition article you read, and it isn’t just because the legal department asks for it. The real reason is that no advanced nutritional technology or training regimen is going to make...

What Is Nitric Oxide And How Will It Improve My Workout?

What Is Nitric Oxide And How Will It Improve My Workout?

The Science of Perfect Pumps and Peak Performance

Let’s face it, few things feel as good as having a tremendous nitric-oxide-facilitated muscle pump peaking just as you step out onto that gym floor for your first set of reps. Your veins are bulging, vascularity is surging, muscle tissue is suffused with oxygen and fuel, waste is being shuttled away from muscle tissue efficiently, and you’re ready to embark on a truly productive workout. But how does nitric oxide (NO) work? How does the potentiation of nitric oxide translate into enhanced performance? Do pre-workout nitric oxide potentiators work? Do nitric oxide supplements have their drawbacks? Let’s take a closer look.

How Is Nitric Oxide Produced In The Body?

Joseph Priestly first identified nitric oxide as a gas in 1772, when it was described as a p...

Beef Protein Vs. Whey Protein: Which Is Better?

Beef Protein Vs. Whey Protein: Which Is Better?

The Latest Science Sheds New Light on the
Nutritional Advantages of Beef Protein and Whey Protein


The more questions scientists ask, the more answers that are uncovered that emphasize the importance of protein in a person’s diet. It's no secret that protein, whether from beef or whey or other sources, will help you maximize muscle hypertrophy, maximize fat loss while cutting calories, minimize muscle loss while cutting calories to get shredded, and even curb appetite and increase calorie burning.

But which source of protein is the best, most effiicient source? Is it beef protein? Whey protein? You'll find plenty of strong opinions in favor of both beef and whey protein, and we're here to help you sort the fact from fiction.

Protein Basics

Protein is required b...

A Conversation With Dr. Carlon Colker

A Conversation With Dr. Carlon Colker

The Celebrated Fitness and Bodybuilding Advocate
Talks Training, Diet, and His New Protein Formula


In the bodybuilding world, you meet a lot of very, very serious people, obsessed with perfection and fanatically driven to succeed. Nothing wrong with that. Physique transformation is hard work, after all.

And then you meet Dr. Carlon Colker. Carlon has known more than his share of success. As a competitive bodybuilder. As a researcher and scientist. As a highly successful trainer and advisor to world-class athletes, entertainers, and celebrities. As a high-profile advocate for the fitness lifestyle on TV, on playing fields, and in classrooms.

But the thing you notice first about Carlon is the sheer joy he derives from his vocation. Yes, he might talk to ...

Pathways To The Perfect Workout

Pathways To The Perfect Workout

BioQuest’s AndroFury and MyoZene Combine
To Maximize Performance and Muscle Growth


Most workouts are failures.

When you take into account everything that has to go exactly right – proper focus, momentum, form, and work output on the front end, then maximized and precision-targeted muscle support to repair damage and spur growth on the back end – it’s probably optimistic to expect that even one in ten workouts results in real physique-enhancing results.

If you’re stuck on a plateau, this is probably the reason why. One in ten, or even one in five, isn’t going to get the job done. Yes, you’re working hard, but you’re not fully leveraging all that effort into making real progress. You’re hitting the same marks, doing the same rep counts with t...

Peerless Proteins

Peerless Proteins

The World’s Finest Physiques Are
Fueled By ProSource Brand Proteins


For two decades, ProSource has been the supplement brand serious bodybuilders have turned to when nothing less than the ultimate physique and maximized performance will do. ProSource led the way when our industry was in its infancy (pioneering many technological breakthroughs along the way) and it remains on the cutting edge of sports nutrition science today. And nowhere has this impact been more profound than in the field of protein product development, formulation, and manufacturing.

The Modern Evolution of Protein Science
Begins with the Introduction of NytroWhey®

Believe it or not, there was a time not...
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