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 have used this product with the other products for my collies. They have maintained good health but we still see allergy problems. I use all the products and make my own dog food and feel I am keeping them in excellent health.

Rated 5 out of 5 stars

Working great! My dog is getting better slowly!!

Rated 1 out of 5 stars

This product was too strong for my pup.

Rated 5 out of 5 stars

We recently added this to the rest of the regimen and I wasn't sure if it made any difference. When we ran out, I didn't reorder for few weeks and I noticed that our labradoodle's ears were starting to have more discharge and seemed to bother her more. We re-ordered and added it back and her ears have improved.

Rated 5 out of 5 stars

My dog has struggled with black skin disease for years. I don't know which Nzymes product is doing the trick to keep it at bay or if it's a combo of the whole kit, but I do know that his skin and fur are finally healthy after years of awful allergies. Every day I give him BlackLeaf, Ox-E drops, sprouted granules, and Bac-Pak. I am so grateful to this company for helping him be healthy!!! And the orders always come quickly and correctly. Nzymes seriously rocks :-)

Rated 5 out of 5 stars

Love the ingredients. Very conscious approach to yeast related issues... thank you!

Rated 5 out of 5 stars

The combined package of granules, opti drops and this product really help our dog stay inch free and shed much less. He's a happy boy because of your products - thank you!

Rated 5 out of 5 stars

I can’t tell you specifically why because I’m using the whole program on both of my dogs. But I can tell you that they are doing amazingly well. Their skin is much much better. They are not an Apoquel anymore.

Rated 5 out of 5 stars

I use this for one of my dogs in combination with some other Nzymes products. He has severe atopic dermatitis. As long as we use these products, his skins is cleared up!!! Love it!!!

Rated 5 out of 5 stars

Great prevention for yeast in my dog

Rated 5 out of 5 stars

When my part German Shepherd came to me at 2 yrs of age, she developed bad yeast infection. The vet could smell it on her when we entered her office. I had her tested. Was told it was allergies. I did change her diet to a low glycemic diet but what really made the difference was being referred to NZymes and beginning the blackLeaf Tincture as well as the granules, bac pac. For a year I had to give her a bath every week. Now at 10 years, Mia, is doing well on the protocol you recommend which includes the black leaf. She has very little sign of ever having yeat, just a tad around the urethra. Thanks so much. Gini and oxi-drops.

Rated 5 out of 5 stars

Use in conjunction with skin care kit for our dog

Rated 3 out of 5 stars

Our dogs have had problems with skin problems, itching, losing hair and the product seems to be working, slower than we would like, but they are improving. thank you

Rated 5 out of 5 stars

I use this on my small dog to keep ticks, fleas and heartworm out of my dog's life.

Rated 3 out of 5 stars

have been using for over 2 months now. Although I have seen improvement in skin condition, my dog still scratches constantly. I am hoping to see continued improvement, but time will tell.

Rated 5 out of 5 stars

important and useful part of anti yeast kit for dog - highly recommended