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💪 Elevate your gains with the protein blend that works as hard as you do!
Syntrax Matrix is a 5 lb sustained-release protein powder featuring a multi-source complex of ultrafiltered whey, micellar casein, native egg white protein, and glutamine peptides. Designed for continuous amino acid delivery, it supports muscle recovery and growth with premium rBST-free, grass-fed whey, zero sugar, and low carbs. Perfectly instantized for easy mixing, it’s a top choice for fitness enthusiasts seeking clean, long-lasting protein nutrition.

| Asin | B09Y2C33YM |
| Best Sellers Rank | #360 in Powdered Drink Mixes & Flavorings |
| Date First Available | April 15, 2022 |
| Item Model Number | SM5MC |
| Manufacturer | Si03, Inc. |
| Product Dimensions | 9 x 6 x 14 inches; 5 pounds |
User
Best Protein Powder. Great if you are a GLP 1 User.
I have used this protein powder for many years. I was introduced to this brand after bariatric surgery. Love it because it is not overly sweet, mixes very well, and is smooth tasting. I use my personal blender at home to mix it with my almond milk but flew by plane recently on vacation so I bought a cheap little frother and it mixed it as well as my blender did. Love the milk chocolate so I have not tried other flavors because why change if I am happy with this. Great stuff
User
High Quality, Good Taste, Easy Mix
Top quality
User
Best Chocolate Protein Powder Around
Go to chocolate protein powder. Have it on subscription. Buy it.
User
Matrix Milk Chocolate for the win!
If you live chocolate this is your protein! I have been using this brand for 10 years because it is creamy and not overly sweet like Premier Protein Shakes. I use unsweetened almond milk and mix several days worth at a time before I go to bed. I do this because for it to be creamy I let it sit overnight, if you mix and drink immediately it can be a little grainy. I have tried other brands over the years and go back to this one every time.
User
Good just mix it up good
I like the macros and the taste is good not very chemically . You do have to mix pretty aggressively so don’t expect to use a spoon . Texture is fine when mixed properly.
User
Solid Chocolate Protein with Good Mixability, but Not Their Best Flavor
I’ve tried a lot of protein powders, and this item ranks in my upper tier overall. It mixes well without much effort and doesn’t have the clumping issues or chalky texture that some blends do.The milk chocolate flavor is decent and easy to drink, but not exceptional. Compared to Syntrax’s Chocolate Supreme, this one falls a bit short in richness and overall taste. If both are available, I would always choose Chocolate Supreme instead.Nutritionally, it performs as expected for a sustained-release blend, and it provides a good level of satiety. No surprises there.Overall, this is a reliable, high-quality protein powder with good mixability and solid performance, but the flavor keeps it just below the top spot.
User
Love the taste!
Great taste! My go to for many years now. New packaging design. I’m a milk chocolate fan. I put some ice cubes in, water, half a scoop of protein, and half a banana to start my day. I finish it quickly!
User
Love it
Great
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