Mass-Tech is a supplement manufactured by the sports nutrition company MuscleTech. This product is intended to help you gain weight when used along with a resistance training program. Mass-Tech is high in calories and protein, so it may help you achieve muscle growth. However, some of the ingredients in Mass-Tech may cause unwanted side effects. You should consult your doctor before using Mass-Tech, or any other dietary supplements.
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One of the ingredients in MuscleTech's Mass-Tech is medium-chain triglycerides, a type of dietary fat that is purported to aid in fat-burning. According to research from the November 2010 issue of "International Journal of Food Sciences and Nutrition," these fats may improve fat oxidation, but they do not promote improved exercise performance. Additionally, medium-chain triglycerides may cause nausea and an upset stomach.
Increased Fat Gain
Mass-Tech is high in calories, as each serving of the powder alone contains 860 calories, and MuscleTech suggests consuming two servings, each mixed with 16 oz. of skim milk, twice daily. This adds up to more than 2,000 calories from the supplement alone. Consuming more calories than you burn through everyday activity and exercise leads to fat gain, and 2,000 extra calories may be excessive; an hour of weightlifting burns just 219 calories.
Decreased Insulin Sensitivity
Each serving of Mass-Tech contains 50 percent of the daily suggested intake of vitamins C and E, so consuming the recommended two servings would result in consumption of the total daily intake of these vitamins from Mass-Tech alone. While these vitamins do have benefits, research from the May 2009 issue of "Proceedings of the National Academy of Sciences of the United States of America" indicates that consumption of high levels of vitamin C and E can impair insulin sensitivity, which is normally improved by exercise. Decreased insulin sensitivity can promote increased fat gain and reduce muscle gain.
Each serving of Mass-Tech provides 22 percent of the daily suggested intake of sodium, so drinking the recommended two servings daily would provide nearly half of your daily sodium intake. Sodium is vital for health, but too much can cause water retention and bloating. Additionally, Mass-Tech contains creatine, an amino acid that may aid in building strength but that can also cause you to retain water and appear bloated.
Liver and Kidney Damage
Each serving of Mass-Tech contains 53 g of protein. If you consume the daily recommended two servings with 16 oz. of skim milk in each, this would result in a protein intake of 138 g from the supplement alone. According to MayoClinic.com, consistent intake of a high-protein diet may cause or worsen kidney and liver problems. Additionally, the University of Maryland Medical Center notes that creatine may also cause kidney or liver issues.
MuscleTech makes several recommendations concerning who should not use Mass-Tech. The company recommends avoiding Mass-Tech if you are under the age of 18, have had a heart attack, or are pregnant or nursing. This supplement has not been approved by the FDA to treat any medical conditions, so you should consult a doctor before using it, especially if you have a history of medical problems. MuscleTech recommends never exceeding the recommended serving.