Muscletech 100% Mass Gainer Vanilla Milkshake 5.15 lbs Review
Specially formulated for performance athletes looking to increase their dietary protein, carbohydrate and overall calorie intake. 100% Mass Gainer is a premium weight gainer for increased size and strength. This superior formula with proven musclebuilding ingredients will help you get bigger and stronger - faster than you ever imagined.
Study, Trial or Testing Result SummaryMembersHuman studies
Review Totals and SummaryMembers6,011 reviews
Biohacker SummaryMembersWhat our biohacker panel says
RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects
Supplement FactsIncludes Added Sugars 10 g · Calcium 280 mg · Iron 0.6 mg
| Calories | 1,330 | |
| Total Fat | 4 g | 5% |
| Saturated Fat | 2.5 g | 13% |
| Cholesterol | 125 mg | 42% |
| Total Carbohydrate | 280 g | 102% |
| Total Sugars | 13 g | † |
| Includes Added Sugars | 10 g | 20% |
| Protein | 44 g | 88% |
| Calcium | 280 mg | 22% |
| Iron | 0.6 mg | 12% |
| Sodium | 390 mg | 17% |
| Potassium | 300 mg | 6% |
| Creatine monohydrate | 5 g | † |
| L-leucine (as whey protein, L-leucine) | 4.7 g | † |
| L-valine (as whey protein, L-valine) | 2.5 g | † |
| L-isoleucine (as whey protein, L-isoleucine) | 2.5 g | † |
Directions: Mix 1 serving (6 scoops) with 2 cups (16 oz.) of cold water or skim milk. For best results, mix in a blender.
Label source: the brand's label · Report a label change
Graded October 24, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

