Black Leaf

Black Leaf Reviews

A product’s star rating is calculated as the average of all its reviews.


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3.4K Reviews

4.8

The information on this page is based solely on product reviews written by customers of Nzymes via Trustpilot.


Product details

Brand: NZYMES

Traditional herbals to support respiratory, digestive, and overall resilience. Worried about seasonal sniffles, slow digestion, or general stress from the environment? This carefully balanced herbal blend combines olive leaf, black walnut, and cayenne — botanicals long used to support respiratory comfort, digestive balance, and nutrient uptake. It’s made to be a simple daily support you can add to meals. Respiratory support (traditional): Olive leaf has a long history of use for breathing comfort and environmental stress support. Natural iodine source (traditional): Black walnut provides a concentrated, plant-based source of iodine used historically in herbal traditions. Better nutrient uptake: Cayenne is traditionally used to help the body absorb and use other herbs and nutrients. What it is: A thoughtfully blended herbal formula made from natural olive leaf, black walnut, and cayenne — blended and manufactured in the USA. Who it’s for: Pet owners looking for a natural, herbal support option for pets as part of a balanced care routine. Suitable as a daily supplement for animals per the feeding guide on the label. Simple 3-step plan: Add the recommended serving to your pet’s food daily. Follow the dosing guide for your pet’s size. Monitor comfort and adjust with your vet if needed. We design our blends to support everyday resilience. If your pet has ongoing health concerns, consult your veterinarian before use. Add to Cart — Start Herbal Support Herbal blend for respiratory & digestive support Traditional botanicals: Olive Leaf, Black Walnut, Cayenne Made in USA Ingredients listed for informational purposes only. Not intended to diagnose, treat, or cure any condition. Consult your veterinarian if your pet has special health needs. Sourced and manufactured in the USA.

All reviews


Rated 5 out of 5 stars

I totally believe in this product. My two special-blend pooches make it through Missouri summers pest-free, so no need for potentially harmful flea and tick products.

Rated 5 out of 5 stars

I have had my Yorkie on the NZyme product line for almost two years and she is absolutely thriving on the products!

Rated 5 out of 5 stars

We put 20 drops on our one English Bulldog’s dinner. She has been rather itchy since we got her back in 2014, then her Vet put her on antibiotic after antibiotic and she ended up losing all her hair around her neck fold and her skin was all inflamed. Thank God for Nzymes and their skin treatment because Sophia is now itch free and her skin is all cleared up. We got all of the yeast out of her body, she has no sugar or starches and she is thriving. THANK YOU NZYMES!!!! Once again you show me how amazing your products are. Anyone with a dog should have their dog at least on the supplement 👍🏼👍🏼❤️

Rated 5 out of 5 stars

Have used this for twenty years for all my pets and know it makes a difference in their health

Rated 5 out of 5 stars

Part of the skin program... added to his meals 2 x day. Improvement!!!!

Rated 5 out of 5 stars

Great stuff! I'd recommend to any and all animals that it's available to.

Rated 2 out of 5 stars

This is for parasites and worms according to the company. My dog did not have those things, but it came with the papilloma kit and I didn't know until I had paid for it that we didn't really need it. We used it on his warts, but no change from it.

Rated 1 out of 5 stars

I would give this negative stars if I could. After two days of this my dog started having seizures again. The vet said it decreased the anti-seizure medicine blood levels and can/will do this for many prescription meds. Two days after stopping this the seizures stopped and have not resumed. I would not use this for any pet on prescription medicine.

Rated 5 out of 5 stars

A great cure and finally preventive of yeast

Rated 5 out of 5 stars

I have been using this tincture in lieu of heartworm medication for about a year now after my one rescue dog started having seizures. Both my dogs are tested for heartworm twice a year and have been negative so far.

Rated 3 out of 5 stars

Still working on cure seeing some improvement but not quite there yet still optimistic!

Rated 1 out of 5 stars

THIS PRODUCT IS A SKAM. DO NOT BUY IT!!!

Rated 5 out of 5 stars

Used this product. It did good.