The Best Memorial Day Protein Powder Sales of 2023

The products featured in this article have been independently reviewed. When you buy something through the retail links on this page, we may earn commission at no cost to you, the reader. Sports Illustrated editorial staff are not involved in the creation of this content. Learn more here.

Protein powders can be an essential part of a well-rounded weight loss or muscle-building program. Besides keeping you better satiated, adding protein to your diet can repair muscles while at rest and encourage your body to burn fat. To get the best product for your needs, Memorial Day is a great time to take advantage of deals from high-quality brands.

Even better? We have rounded up the best Memorial Day protein powder sales for you. We'll highlight why each product is a good option to consider, the macro nutrition facts for each, plus we'll discuss exactly what special deal each brand is offering. We've even included one of our top protein shake deals, in case you prefer additional options. 

The Best Memorial Day Protein Powder Deals:

• Transparent Labs 100% Grass-Fed Whey Protein Isolate: Get 20% with code SIMEM20
• Kaged Whey Protein Isolate: Get 15% off with code SI15
• Transparent Labs MASS GAINER: Get 20% off with code SIMEM20
• Transparent Labs Vegan Rice and Pea Protein: 20% off with code SIMEM20
• Gainful Protein Powder: Get 40% off for new users
• Jacked Factory Authentic Iso: Get 15% off with a recurring subscription
• Kaged Plantein Vegan Protein Powder: Get. 15% off with code SI15
• Ritual Essential Protein Daily Shake 18+: Get 25% off your first month of Ritual with code SI25

Our Favorite Protein Powder

Transparent Labs 100% Grass-Fed Whey Protein Isolate

Transparent Labs 100% Grass-Fed Whey Protein Isolate is one of the best protein powders you’ll find. It has 28 grams of protein, one gram of fat and three grams of carbohydrates with only 140 calories. The protein is sourced in 100-percent grass-fed American dairy cattle and the formula contains no artificial flavors, sweeteners or preservatives. Transparent Labs is offering 20% off everything on its site for Memorial Day for SI readers with coupon code SIMEM20.

Best-Tasting Protein Powders

Kaged Whey Protein Isolate

Kaged (formerly known as Kaged Muscle) Whey Protein Isolate is a protein powder with a solid formula and low impact on your diet which makes it a good protein powder for weight loss. This powder has 25 grams of protein per serving, zero grams of fat, four grams of carbs and 110 calories. The flavors are the best part. Right now you can get basic vanilla, chocolate peanut butter or s’mores flavors (chocolate and cinnamon french toast should be restocked soon). Plus for Memorial Day, Kaged is offering 15% off your order with the code SI15.

Best Protein Powder for Muscle Gain

Transparent Labs Mass Gainer

Transparent Labs's Mass Gainer is one of the best protein powders for muscle gain because it does more than just provide protein. Mass Gainer has a high amount of calories and other macronutrients too. Each serving has 53 grams of protein, 14 grams of fat, 114 grams of carbs and 790 calories, making it perfect for those of you on a weight or muscle building journey. Transparent Labs is offering 20% off for Memorial Day this year with coupon code SIMEM20.

Best Protein Powders for Weight Loss

Transparent Labs Organic Vegan Rice and Pea Protein

Transparent Labs also has a vegan protein made from a blend of organic rice protein and organic pea protein. Per serving, this protein powder has 24 grams of protein, two grams of fat, three grams of carbs and 130 calories. It also has four milligrams of iron (a mineral which vegans can struggle to get from diet alone). Like the other Transparent Labs products, you can get 20% off this Memorial Day with the coupon code SIMEM20.

Best Protein Powders for Women

Gainful Protein Powder

Everyone’s body is different—that’s why our best protein powder for women is Gainful. Gainful protein powder is personalized based on your goals. When you sign up for Gainful you’ll take an introductory quiz and then consult with a registered dietitian who will help design the content of your protein powder. Whether you want to lose weight, build muscle or tone, Gainful can offer a protein powder for you. This Memorial Day, Gainful is offering 40% off for first time customers.

Best Protein Powder for Men

Jacked Factory Authentic Iso

Jacked Factory Iso is a great-tasting protein powder with excellent flavors including basic vanilla, vanilla oatmeal cookie and chocolate peanut butter. This protein powder has 25 grams of protein, 0.5 grams of fat, one gram of carbs and only 110 calories. When you subscribe to a recurring delivery you can get 15% off your order. In addition to the 15% discount, for Memorial Day Jacked Factory is also offering a buy two get one free deal on any fat burners, plus a free t-shirt when you order $75 or more.

Related Post: Best Protein Powder for Men

Best Vegan Protein Powder

Kaged Plantein Vegan Protein Powder

Kaged Plantein Vegan Protein Powder is made from organic pea protein and quinoa. It has 25 grams of protein per serving along with four grams of fat, four grams of carbs and 150 calories. Kaged Plantein protein powder also has dessert-inspired flavors like banana bread and cinnamon roll while still containing zero grams of sugar. Like other Kaged products, you can get 15% off this Memorial Day.

Best Protein Shakes

Ritual Essential Protein Daily Shake 18+

Get 25% off your first month of Ritual! Code: SI25

Ritual Essential Protein Daily Shake 18+ contains less protein than other protein powders, but that’s because the formula includes other nutrients you may need. This shake has 20 grams of protein, two grams of fat, three grams of carbs and 115 calories. Additionally, this shake has 150 milligrams of choline, 120 milligrams of calcium and three milligrams of iron. Ritual is offering 15% off when you bundle two or more products this Memorial Day. Ritual vitamins are also a great option if you're looking for a daily vitamin supplement.

Related Post: The Best Protein Bars

Prices are accurate and items in stock as of publish time.