The best-tasting chocolate protein powder I've tried is 33% cheaper this Prime Day

Grab this Prime Day protein powder deal from Optimum Nutrition and you'll have enough to fuel a month of training

Optimum Nutrition Protein Powder
(Image credit: Future / Harry Bullmore)

I've been a regular gym-goer for more than a decade, and have used protein powders for most of that time to support my muscle-growth goals. 

Over the years I've tried a lot of different options—some good, some bad, and some that were downright disgusting. But the supplement I keep coming back to is the Optimum Nutrition Gold Standard 100% Whey, which is currently down 33% in the Prime Day sales

Gold standard by name, gold standard by nature, this is one of Fit&Well's tried and tested best protein powders for weight loss for a reason. It delivers a decent 24g of protein per serving to support muscle maintenance and growth, but keeps sugar and fat content to a minimum (1g and 1.5g respectively). 

When testing it, I found the chocolate option tasted great. Its rich flavor and creamy texture did a better impression of a milkshake than most other health drinks, even when mixed with water.

Optimum Nutrition Gold Standard 100% Whey Protein Powder: was $44.99, now $29.99 at Amazon

Optimum Nutrition Gold Standard 100% Whey Protein Powder: was $44.99, now $29.99 at Amazon

Save $15 My favorite protein powder is now down 33% for Amazon Prime Day, costing $29.99 for a 2lb tub (29 servings). So, if you stock up during the sale, you can enjoy a month's worth of muscle-building support for a little over a dollar per day. 

A pure protein hit and the absence of unnecessary ingredients are two of the main things I look for when selecting a protein powder. 

Next up comes the drinking experience. Flavor is key to this and, as I've said already, this Optimum Nutrition powder delivers on that front. 

However, I also found that I feel less bloated and heavy after drinking this powder than other protein supplements I've tried. This is important for me as I tend to exercise in the morning before downing a post-workout shake, so I don't want to feel sluggish for the work day that follows. 

Harry Bullmore
Fitness Writer

Harry Bullmore is a Fitness Writer for Fit&Well and its sister site Coach, covering accessible home workouts, strength training session, and yoga routines. He joined the team from Hearst, where he reviewed products for Men's Health, Women's Health, and Runner's World. He is passionate about the physical and mental benefits of exercise, and splits his time between weightlifting, CrossFit, and gymnastics, which he does to build strength, boost his wellbeing, and have fun.

Harry is a NCTJ-qualified journalist, and has written for Vice, Learning Disability Today, and The Argus, where he was a crime, politics, and sports reporter for several UK regional and national newspapers.