Change your protein flavor daily by adding these delicious flavor sticks. Never get bored of your protein shake again. These delicious and versatile Flavor Boosts can be easily mixed into any unflavored Gainful protein or product.

Authentic Iso is your go to solution for clean, high quality protein that goes down easy and indulges your taste buds. Toss a scoop or tow down the hatch to give your body the fast acting whey protein isolate it needs for lean muscle growth after a demanding workout. Quick, simple, and effective - Authentic Iso has you covered. Oh, and we should also mention it's made from grass-fed cattle so none of that crazy hormonal cow stuffgets in the way of your gains. Speaking of gains, you just crushed it in the gym - what are you waiting for? This protein isn't going to drink itself.

• Supports muscle building and weight gain goals
• 1,250 calories, 50g of protein, and 252g of carbs per serving
• Delivers 25 vitamins & minerals, creatine, and glutamine
• Chocolate flavor

If you’re aspiring to be bigger, have a highly active metabolism, weaker appetite, or on-the-run lifestyle, SERIOUS MASS™ by Optimum Nutrition is for you. This Chocolate weight gain powder packs 1,250 calories, 50g of protein, and 252g of carbohydrates in every serving to help boost calorie intake, support muscle building, and fuel intense workouts.

• Promotes muscle-building
• Aids in post-workout recovery
• Non-GMO
• Free of gluten, artificial sweeteners, food dyes, fillers, and preservatives
• Chocolate Glaze flavor

Mass Gainer from Transparent Labs is a whole food-based, easily digestible meal replacement and post-workout recovery shake. Built to help you pack on serious mass, this weight gainer contains 53g of grass-fed whey protein concentrate, 780 calories, 3g of pure creatine monohydrate, and 110g of slow- and fast-digesting carbohydrates from wholesome sources in every serving.

Frequently Asked Questions

Are protein shakes “good” for you?

Protein shakes can be an excellent addition to a well-rounded diet and healthy lifestyle. Research has shown that supplementing with protein can support athletic performance, post-workout recovery, weight management, muscle maintenance, and muscle growth.

Can protein shakes support weight gain?

Protein shakes may support weight gain if they contribute to a calorie surplus in your diet.

Are protein shakes "good" for women?

Supplementing with protein is as beneficial for women as it is for men in supporting muscle growth and maintenance, recovery, and performance.

How can protein supplements benefit my muscles?

Protein supplements provide the nutrients your body needs to stimulate muscle protein synthesis and support recovery post-workout.

Who Would Benefit from Taking Protein?

• Athletes and fitness enthusiasts looking to support muscle growth, muscle maintenance, performance, and post-workout recovery
• Older adults who require more protein to maintain muscle mass and overall health
• Busy professionals and students who need a quick and convenient source of protein on the go
• Anyone with increased protein needs, such as vegetarians or individuals practicing a low-carb diet