Chitosan is a marine fiber that binds to some of the dietary fat that you consume and removes it from the body rather than allowing it to be absorbed. Chitosan can also be used for adding fiber to your diet.

There are plenty of chitosan products out there, but only a handful contain the purest of pure chitosan. FBlock by Absolute Nutrition is a superior fat absorber.

FBlock's chitosan ingredient is unsurpassed in it's quality and purity. FBlock's chitosan goes through a process called deacetylation, which refers to the removal of acetyl groups. This is a process that increases the solubility of the chitosan fiber.

But there's more. The digestive enzyme Lipase is added to FBlock to help in emulsifying the fats that you ingest, making it a superior fat absorber. FBlock is also fortified with calcium and vitamin C. The vitamin C aids in boosting the effectiveness of chitosan and the calcium is for healthy bones.

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20-0005 Absolute Nutrition F Block 90 capsules Nutrition Facts Serving Size: 2 Capsules Servings Per Container: 45 Amount Per Serving % Daily Value* Vitamin C (as ascorbic acid) 100  mg 167%    Chitosan (marine fiber concentrate) 1,000  mg   Lipase 300 LU    Calcium Sulfate 150  mg   Vegetable Cellulose 100  mg   *Percent Daily Values are based on a 2,000 calorie diet. F Block is caffeine free, ephedra free and stimulant free. KEEP OUT OF REACH OF CHILDREN. If you are pregnant or nursing, ask a doctor before using this product. Avoid using if you are allergic to shellfish.   Other Ingredients: Gelatin, vegetable magnesium stearate and silica. Recommended Use: As part of a diet and exercise program, to achieve results, take 2 capsules 15 minutes prior to meals with a full 8oz. glass of water. Do not exceed 6 capsules per day. Warning: This product is derived from shellfish. If you are allergic or sensitive to shellfish, you should avoid use of this product. Any fat-soluble vitamins (A, D, E & K), medications, or fatty acids, should be taken at least 4 hours before or after ingestion of this product and should not be used by women that are pregnant or nursing. Before beginning any program of weight loss, consult your health care practitioner. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease. If you notice any errors in the information above, please let us know. If you have further questions about this product, please contact Absolute Nutrition at 1-866-243-3535 The nutrition facts listed above are supplied as a courtesy to our customers. The nutrition facts were current and accurate to the best of our knowledge at the time they were entered. Manufacturers often change formulas or ingredients without notifying us. We do our best to keep them as up to date as possible, however Netrition.com will not be held responsible for any differences between what is listed on our web site and what is listed on the product that you receive. If you need to be 100% certain of the ingredients currently being shipped, we recommend that you call or email our customer service department to check the shelf of current stock.