MET-Rx Ready to Drink Protein Shake, Keto Diet Friendly, Snack, Gluten Free, 51g of Protein, With Vitamin A, Vitamin D, and Zinc to Support Immune Health, Frosty Chocolate, 15oz, Pack of 12








Key features
- •READY TO DRINK PROTEIN SHAKE: Formulated for fitness-minded individuals, MET-Rx RTD 51 is the powerhouse of read to drink protein shakes. Packed with protein, amino acids, vitamins, & minerals; 51 grams of protein per can, low fat, with 3 grams of sugar.
- •MUSCLE RECOVERY AND EXTENDED SUPPORT: MET-Rx RTD 51 come in convenient cans that are easy to toss in your gym bag for a post-workout recovery drink. High quality, slow digesting proteins provide extended muscle support, and are a natural source of BCAAs.*
- •CONVENIENT & DELICIOUS PROTEIN SHAKE: Packed with protein & amino acids in convenient single-serve cans, MET-Rx RTD 51 protein shakes taste delicious. RTD 51 protein shakes come in Creamy Vanilla, Frosty Chocolate, Cookies & Cream, & Peanut Butter Cup.
- •MET-RX PREPARES ATHLETES TO DOMINATE: From protein bars & protein powders to pre-workout & post-workout powders & drinks, MET-Rx makes training fuel with protein & nutrients to enhance your performance, workout, muscle building, & post-exercise recovery.
- •MET-RX WORKOUT FUEL: Compare with workout supplements from Quest Nutrition, Clif Builder's, RXBAR, Epic, MusclePharm, Gatorade, Kellogg's Special K, Muscle Milk, Optimum Nutrition, GRENADE, MuscleTech, Supreme Protein, Power Crunch, Bulk Supplements, BPI.
MET-Rx Ready to Drink Protein Shake, Keto Diet Friendly, Snack, Gluten Free, 51g of Protein, With Vitamin A, Vitamin D, and Zinc to Support Immune Health, Frosty Chocolate, 15oz, Pack of 12
List Price: $104.08$93.67DEALYou Save: $10.41 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 25, 2026In Stock (5)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers3.8
out of 5
Based on 10 reviews
5★
60%
4★
40%
3★
0%
2★
0%
1★
0%
Don't buy it for the taste
Timberowl✓ Verified Purchase•July 10, 2017
It's not great, but I'm not choking it down either. As far as flavor, it's just okay. Keeps me full til lunch time. No complaints.
Keeps you full all day but it isn't gluten free ...
Deborah S.✓ Verified Purchase•May 28, 2017
Keeps you full all day but it isn't gluten free so my husband can't drink this flavor. Maybe they make a gluten free one but I don't know.
You are what you eat. This is good stuff
Fuzzwatkins✓ Verified Purchase•January 27, 2017
Smooth taste, satisfying, extremely easy on the GI. While MetRx does not represent this as a weight loss product (and it isn't supposed to be),
I will devour one or two of these without any late night cravings for fast, convenience food. During the cold rainy winter, it was easy to fall into some crazy bad eating habits. Feeling on track now, eating better, more aware of what I'm putting into my chops and what I am asking my body to do.
I will devour one or two of these without any late night cravings for fast, convenience food. During the cold rainy winter, it was easy to fall into some crazy bad eating habits. Feeling on track now, eating better, more aware of what I'm putting into my chops and what I am asking my body to do.
Best protein drink I have found.
Rick M✓ Verified Purchase•December 29, 2016
I am in my 60's and started new workouts with a trainer this past year. I tried other protein drinks which either didn't have the proteins and vitamins these have or could not tolerate the taste. I drink one within a half hour of working out and have been really happy with the energy and surprised at the muscle gain for my age. I have only tried the frosty chocolate so I can only attest to that flavor but I put these in the freezer for about 10 minutes to get them really cold and they taste much better than all the others I have tried. I have now re-ordered multiple times and 51 has become my go to protein drink. If you are busy and have to skip a meal, they are a quick substitute to avoid a hunger crash.
The Best Product of its Kind Bar None
Willie J✓ Verified Purchase•December 15, 2016
The Best Meal Replacement product on the Market. The Muscle Sparing effect of The patented Metmyosin Protein developed by Dr Connelly (SP) is the key to what makes Met-Rx so effective. Any other "Meal Replacement" product meal replacement is an inferior copy of Met-Rx and none have Metmyosin Protein. One serving satiates your appetite for 2-3 hrs. I've many of the top selling Meal Replacement Products since 1980 and no other product comes close to the effectiveness of Met-Rx and you can't beat the price from Amazon!
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