Mushrooms are Mother Nature's proven way to support a normal immune response. Our whole mushrooms are double extracted, organic and low in starch. We third-party test all of our mushrooms to be low in heavy metals and rich in immune-enhancing beta-glucans.

The demand for mushrooms is growing, thanks to their unrivaled ability to support a healthy immune system in all animals.

Immunity is a veterinary formulated blend of 7 whole mushrooms. Our double extraction process makes sure that the beneficial beta-glucans and triterpenoids in the mushrooms are bioavailable and able to enhance immune, liver and kidney function.

The mushrooms in Immunity are grown in greenhouses on natural wood and substrates in filtered air. The whole mushroom is then double extracted and gently powdered, then tested for safety and a high beta-glucan content.

It's important to note that most of the beta-glucan is found in the fruiting body of the mushroom. The downside is, mushrooms are expensive to grow.

In fact, most "mushroom" products are just mycelium, which is just the "roots" of the mushroom. To produce this, mycelium is put in plastic bags of sorghum, oats or rice, then put in a locker to grow. The mycelium is then ground up with the grains to make a high-starch product. Natural mushrooms are low in starch, averaging about 4% carbohydrate.

The FDA doesn't allow mycelium products to say MUSHROOM on the package, but the market is saturated with these cheap mushroom alternatives.

So how can you tell the difference between real mushrooms and the other guy (mycelium)?

Simply look or ask for the beta-glucan content. If the product doesn't provide the beta-glucan content (or if it's low), you can be fairly certain the product is mycelium and not mushrooms. And don't fall for a high polysaccharide content ... anything with a lot of starch will be high in polysaccharides.

You can feel good about giving your dog Immunity. It's third-party tested for beta-glucan content and safety so your dog gets the unique mushroom benefits he needs.

Read Less

We want you to be confident in every purchase. If you are not satisfied with a product, we will work with you to find a fair solution.

Returns and Refunds

Unopened Products

• May be returned within 30 days of purchase for a full refund.
• Product must be in resalable condition.
• Original receipt or proof of purchase required.

Opened Products

• May be returned within 30 days if the product did not meet expectations.
• Refunds for opened products are limited to one return per product, per customer, within a 12-month period.
• Products that are substantially consumed (for example, more than 50% used) may not qualify for a refund.

Damaged or Incorrect Orders

If an item arrives damaged or you receive the wrong product:

• Contact us within 7 days of delivery.
• We will replace the item or issue a full refund, including shipping charges when appropriate.

Non-Returnable Items

The following items are not eligible for return:

• Clearance or closeout merchandise.
• Expired products due to customer storage.
• Gift cards.
• Products intentionally damaged or altered.
• Special-order items.

Shipping Charges

• Original shipping charges are non-refundable except when the error was ours.
• Customers are responsible for return shipping costs unless the product was damaged, defective, or shipped incorrectly.

Abuse Prevention

Nutrition World reserves the right to limit or refuse returns when there is evidence of excessive return activity, misuse of the policy, fraudulent behavior, or repeated returns of similar products.

How to Request a Return

Contact our customer service team with:

• Order number
• Product name
• Reason for return

Most requests will be reviewed within 2 business days.

Read Less

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. Nutrition World assumes no liability for inaccuracies or misstatements about products.Any items offered by Nutrition World are not intended to diagnose, treat, cure, or prevent any disease. Seek additional advice from a qualified health care provider.

Read Less