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We started MySource Nutrition early this year. As athletes ourselves we were always looking for the ultimate gut health supplement. Frustrated by having to use at least 4 different supplements simultaneously, we decided on formulating our own product and making it available to the public.
In the USA, inside a GMP certified facility. This ensures that our products are under strict quality control and you get exactly what you pay for.
We test every lot of each product for heavy metals and microbiological components. We utilize independent, certified third party labs to conduct these tests.
For all Wholesale Inquiries email support@mysourcenutrition.com.
We are currently only shipping within the United States.
Visa, MasterCard, Discover, American Express, PayPal or Apple Pay
Yes. All credit card transactions are processed via a reliable third-party payment system.
Please email our customer support team (support@mysourcenutrition.com) so we can further assist you.
You'll find your tracking number in your shipping confirmation email.
We will accept a product exchange within 30 days of the original purchase. If you are missing an item or the item that you receive is damaged, then please contact us and we will send out a replacement free of any shipping costs to you. You must notify us within 3 days of receipt of shipment. Exchanges will be issued after the items have been returned to us. Please always contact us first (support@mysourcenutrition.com) because most issues can be resolved very easily.
Confirmations are typically sent within 15 minutes of placing an order. Be sure to check your spam/junk mail folder — sometimes our emails can get lost there.

Still can't find your confirmation? Not a problem. Just send a ticket to our customer support team (support@mysourcenutrition.com) so we can further assist you.
If your order has not yet shipped, please contact our Customer Service department (support@mysourcenutrition.com) to cancel the order and refund your payment. If your order has already shipped, unfortunately, we are unable to cancel it at that time; however, you can return the unopened product for a full refund. Please note that the refund does not include the cost of shipping. For more information on returning an order, please refer to our Return Policy
Fiber G is used for several reasons, including increasing your daily fiber intake, alleviating occasional constipation, improving overall gut health function, and more. Fiber G provides four key benefits:
  • Promotes heart health by lowering elevated cholesterol levels *Diets low in saturated fat and cholesterol that include 7 grams of soluble fiber per day of psyllium husk may reduce the risk of heart disease by lowering cholesterol.
  • Helps control appetite by maintaining healthy blood sugar levels. Fiber G forms a thick gel that slows down digestion and helps to promote feelings of fullness between meals.
  • Improves overall gut functioning by restoring healthy gut bacteria. The pre & probiotics in Fiber G help maintain a healthy colony of bacteria and other microorganisms, which provide important nutrition to the cells lining the digestive tract and aid in digestion.
  • Aids in Immune function. One serving of Fiber G contains 5000mg of L-Glutamine. L-Glutamine is a critical part of the immune system. It is the preferred fuel source for immune cells and the cells that line the intestinal lining of the GI tract. Healthy gut = Healthy you.
This will vary from person to person and will depend on why you are taking this supplement to begin with. Changes in bowel movements and appetite occur pretty quickly (within 12 to 72 hours). Improvements in health markers such as cholesterol and blood sugar must be discussed with and supervised by your healthcare provider. We recommend taking Fiber G daily for a full two weeks. This will give your body enough time to adjust to any changes in digestion, bloating or gas.
For optimal results we recommend 1-2 servings per day. Start with 1 serving of Fiber G in your daily routine, then gradually increase to desired intake.
Fiber G can be taken any time during the day. However, for best results we recommend consuming Fiber G 15-20 min. prior to a meal. NOTE: keep in mind that bulk forming fibers like Psyllium Husk may affect how well medicines work. Take this product at least 2 hours before or after medicines.
Viscous fibers like Psyllium Husk may reduce your appetite, helping you eat less.
Less Food Consumption → Greater Caloric Deficit → Weight Loss
Fiber G is intended for users ages 12 and up. NOTE: choking may occur. Always make sure to mix Fiber G with at least 10-12 oz. of fluid.
Yes. Fiber G is Gluten-Free, following the FDA guideline that foods carrying the label “gluten free” can contain no more than 20 ppm (parts per million) of gluten. Fiber G is also Dairy Free & Vegan.
For additional questions email support@mysourcenutrition.com.
Yes. All ingredients are safe to take during pregnancy or lactation. However, always consult with your doctor prior to taking this product.
Yes. When combined with water, the psyllium husk powder used in Fiber G thickens and forms a viscous/gel-like consistency. Also, avoid adding Fiber G to hot beverages as this causes it to gel more rapidly. We recommend adding Fiber G powder to at least 8-12 oz. of cool or cold fluids.
Avoid taking psyllium husk if you have intestinal problems, including bowel spasms or obstructions. In addition, individuals who have difficulty swallowing or a narrowed esophagus shouldn't take Fiber G because they might be at a higher risk of choking.