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  • In an effort to ensure that our customers receive only top quality and authentic products, we carry stringent quality checks from the time when the products enter our warehouse till the time the products get packed and shipped to you. At Sixteen Inches, we strive to provide 100% authentic products to our customers by maintaining tight quality control during sourcing and distribution of supplements. We also offer 14-day return policy to our customers, in case you are not satisfied with the product quality.
    We invest an enormous amount of time and effort to ensure we source products directly from the brands or their authorized importers. The chances of fake products increase as one moves towards resellers.
    A shocking new study has found many supplements on the market are fake, with researchers determining more than one-third of 44 products tested don’t contain what’s on the label. But one of the nation’s top holistic doctors notes most supplements do not pose a risk and that there are steps consumers can take to protect themselves from bogus products.

  • While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.

    For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

    Any reviews or comments on any products are the personal opinions of the users of the products itself and are not evaluated by the manufacturers or Sixteeninches, whatsoever. Results may vary from person to person and are not guaranteed in any case. assumes no liability for inaccuracies or misstatements about products.

  • Testek is a dietary supplement targeted to bodybuilders and others who wish to increase their testosterone levels. The supplement is manufactured by QNT, an international company. Its active ingredients include essential nutrients as well as several proprietary blends serving various purposes. This supplement is designed for men ages 20 to 60, and it is recommended to take four capsules with water a couple of hours before working out.

    This supplement has several different claims for its use. These purported effects are designed to work together to help you get a muscular body. The manufacturer claims that this supplement works with your body’s natural hormone pathways. It also claims that this supplement increases anabolic growth factor levels by up to 333%, and increases the testosterone-to-cortisol ratio by up to 184%. Supposedly, taking Testek also helps blunt the formation of DHT and estrogen.


    It works because of its wide variety of beneficial nutrients and compounds, such as zinc, selenium, and proprietary blends. Many of the ingredients have clinical evidence for the claim that they can boost testosterone or muscle strength. Some of the ingredients do not boost testosterone, but they have other health benefits such as reducing stress or reducing free radical damage.

    The ingredient Zinc is very potent, and has the ability to boost your testosterone levels, especially since many people do not get enough Zinc through their normal diet. Studies have shown that higher Zinc stores in the body are associated with higher blood testosterone levels. Animal studies suggest that zinc supplementation increases the amount of testosterone circulating in the blood. Some research also suggests that Zinc supplementation is most effective for boosting testosterone when combined with exercise, so the best time to take Testek is a couple of hours before your workout.

    SerinAid functions on multiple levels. It improves mental performance and mood, but also can have profound effects on your hormone levels. Specifically, SerinAid reduces high cortisol levels. Chronically elevated cortisol levels are terrible for mental and physical health, and increase your risk of various health conditions. By reducing cortisol levels, you can maintain great overall health, which is another crucial aspect of boosting testosterone.

    AlphaSize is another ingredient found in this supplement, and it has benefits for muscle fibers, muscle contraction, production of human growth hormone, communication between cells, and muscular power. AlphaSize is a potent compound that is great for those looking to build muscle and maintain their youth and vitality. Its effect of producing human growth hormone is beneficial for testosterone levels. This is because it helps you maintain your body composition. Lower body fat levels means lower estrogen levels and higher testosterone.

    These are just a few examples of how the ingredients in this supplement. There are too many ingredients to go into great detail about how they each interact with one another. The main point to remember is that this supplement increases testosterone and muscle power while improving your overall health.

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