Need2Slin Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Need 2 Slin is a weight loss product sold by Need to Build Muscle. The product description claims the supplement can reduce the effect of carbohydrates and help the dieter control blood sugar levels. This is ideal because blood sugar is often responsible for appetite problems while dieting. The product description for Need 2 Slin claims the supplement will increase metabolism, increase lean muscle mass, increase testosterone and increase energy, in addition to the insulin control. We often find that supplements making this many claims have no clinical support and most never bother to seek such support.

List of Ingredients

Gymnema Sylvestre, Acetyl L-Carnitine, NaR-ALA, L-Norvaline, Coleus Forskholi, Synephrine HCL and Banaba Leaf.

Product Features

Acetyl-L-Carnitine, Alpha Lipoic Acid and Banaba Leaf are associated with blood glucose. These ingredients are typically included in supplements that control blood glucose response to carbohydrates. When the dieter eats carbohydrates, the body responds by increasing glucose. Glucose changes carbohydrates to energy. When all carbohydrates are metabolized, levels drop – sometimes too quickly. This causes hunger and carbohydrate cravings common during dieting. If this drop is controlled, the dieter is less likely to feel cravings between meals.

Synephrine does not affect glucose or carbohydrate metabolism. Synephrine is a stimulant. Many supplement companies include synephrine in place of ephedra now that ephedra can no longer be used in diet supplements. Synephrine is known to cause an unsafe rise in blood pressure for some dieters.

There are some positive ingredients in Need 2 Slin, but the negative impact of synephrine may offset the benefits of the blood glucose controlling ingredients. If caffeine or green tea were used instead of synephrine, we would likely support the supplement a bit more, but that is not the case.

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  • A complete list of ingredients in label format is available on the Need to Build Muscle website.
  • Some ingredients will help control blood glucose response and hunger.
  • Available for sale online.


  • Synephrine is not the best choice for a stimulant / fat burner.
  • Dieters may feel jittery when taking this product.
  • The product warning claims dieters with certain medical conditions should not take this supplement.


Need 2 Slin is a stimulant with blood glucose controlling ingredients. We like the appetite control the formula provides, but we are not thrilled with the lack of clinical research. The warning for the supplement lists several health conditions that could be affected by Need 2 Slin.

Dieters looking for a proven weight loss product should look elsewhere. This supplement is not proven to be effective and the product claims are extraordinary. As is the case with all natural supplements, it is best to seek advice from your medical doctor if you are taking prescription medication before starting Need 2 Slin or any other natural fat burner.

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