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4 Supplement Reviews is the most comprehensive reviews site on the web! We have tested and reviewed hundreds of products and we have hundreds of reviews submitted by visitors of this site.

Get started reading reviews by visiting our user reviews section, browse the latest reviews posted below, or select one of our featured reviews or review categories from the menu on the right.

Browse User Reviews:

Whey Protein Whey Protein
User reviews of the top whey protein powders.
Fat Burning supplements Fat Burners
Can fat burners help you burn fat faster?
Creatine Powder Creatine
What creatine is best for muscle and size gains?
Testosterone boosters Testosterone
Reviews of natural testosterone boosters.
Nitric Oxide Supplements Nitric Oxide (NO2)
Reviews of NO2, the "pump" supplement.
Protein bars Protein Bars
Learn what protein bars taste the best!
Weight Gainer Powder Weight Gainers
Reviews of products for weight gain.
BCAA Amino Acids Amino Acids
Reviews of pure amino acids supplements.
Casein protein Casein Protein
Casein protein, the slow release protein source.
Vitamins Vitamins & Minerals
Vitamin supplement reviews and opinions.

Latest In-House Reviews Posted:

dymatize-elite-whey.jpgReview by: Ben Matterson

Lately I’ve been putting Dymatize Elite Whey through it’s paces! Dymatize Elite Whey is one of the top 10 selling whey protein supplements in the USA, so I thought it was about time I tried it out and wrote a review for this site.

I bought I 5lb tub to Dymatize Elite Whey which lasted me about 6 weeks or so. Here’s what I thought of the product…

» Read the full review…

detour-bar.jpgAfter the popularity of our Promax protein bar review, I thought it was about time I reviewed another bar. This week I’m reviewing the Detour Bar. These Detour Bars have won awards for their taste, so I was keen to try them out.

I ordered a multi-flavor pack. Here are the flavors I tried:

  1. Chocolate Peanut Butter
  2. Caramel Peanut
  3. Chocolate Caramel
  4. Peanut Butter & Jelly

» Read the full review…

animal-cuts-review.jpgToday’s reviews is thanks to Daniel Sanderson who reviewed Animal Cuts for us. Daniel tested Animal Cuts for 8 weeks on the cutting phase of his training. The review is a good read. Thanks Daniel for sending us the review!

If you have any comments about Daniel’s Animal Cuts review leave them at the bottom of this page in the comments section. Thanks!

» Read the full review…

anywhey.jpgWhen I first saw Optimum Nutrition’s 100% Any Whey, I thought to myself “About time someone has done this, and I can’t believe it hasn’t be done before!”. ON’s 100% Any Whey is a flavorless protein powder that you can pretty much put in anything you like!

Any Whey contains 83% pure protein and is designed to be bland in flavor, so you can mix it with practically anything without even noticing it’s there. Sounds pretty good huh? Well I thought I’d pick myself up a tub and road test it for myself! Here’s what went down…

» Read the full review…

met-rx-creatine.jpgToday I’m reviewing MET-RX’s pure creatine powder. I have been trialling MET-RX’s pure creatine monohydrate for 8 weeks now and am going to share some of my thoughts on it.

It’s often hard to review creatine monohydrate powders, because the products are really similar to each other. I have used 4 different creatine monohydrate powders over the past 12 months and have had great results from all of them. So what sets them apart?

» Read the full review…