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

Using this as part of the yeast detox program for over a year and a half. The entire system is working. Ivy's skin is much better and, one day, it will be perfectly healed.

Rated 5 out of 5 stars

I can't be without it. Wonderful healer for cuts, etc.

Rated 1 out of 5 stars

This just made my dog sick so had to stop giving it to her.

Rated 5 out of 5 stars

Part of Hart's healthy skin routine. I have never had treatment for internal parasites since using this. Verified by vet checks.

Rated 4 out of 5 stars

Works great. Will continue to use.

Rated 5 out of 5 stars

We have followed the instructions for almost 3 months now and it has made the world of difference! So glad we found you! We were at our wit's end. Our dog is so happy, comfortable and looking sooo much better. Thank you!!!

Rated 5 out of 5 stars

I used this for my dog's wart / papilloma that was growing and spreading. The vet said they would sedate my dog and lazer it off. After using the Ox-E Topical Spray and Ox-E Drops, and Black Leaf Tincture, the warts were gone within the week.

Rated 5 out of 5 stars

Wonderful product!

Rated 5 out of 5 stars

Brenda the jack russell has responded well to all the products.

Rated 5 out of 5 stars

Easy to give to our pup—included in whole program—so far it is working. We are turning the corner!!

Rated 5 out of 5 stars

We have been using this in the protocol and she has been showing so signs of improvement.

Rated 5 out of 5 stars

Had been using this for my dog and cat for a while when we 'acquired' a stray dog. Immediately started giving it to him daily because my older pup had health issues and I didn't want to take a chance. Within a few days, we realized it was really working when he threw up a large worm in our truck while we were out. Not the ideal place, but at least he got it out! They still get this daily and we've had no further worm issues (even though the young one has a bad habit of eating poo on walks if we aren't super careful).

Rated 5 out of 5 stars

All I know is all of this seemed to work hand in hand for getting my dog back on track!

Rated 5 out of 5 stars

Previously used this product with our dachshund who suffered from systemic yeast issues. Incessant licking, chewing and scratching. After food trials, allergy testing and injections for allergies (which had zero impact), we tried Tincture of Black Leaf. We were amazed. Cleared up ALL of the black coloring on her pale belly skin. No more constant itching and chewing on her feet, etc. Highly recommend. Currently giving this to our beagle who was previously on Apoquel. Got tired of the monthly $100 expense for the pills, not to mention continued paw licking although somewhat lessened with Apoquel. I honestly can’t remember the last time she licked her paws. Super happy results.

Rated 5 out of 5 stars

In combination with the other products it has been very helpful to keep my dogs itch free!

Rated 5 out of 5 stars

Amazing product works amazingly fast to help heal my pet's fungal infection.

Rated 5 out of 5 stars

Excellent for our toy poodle with skin problems. Along with other Nzymes products and special food products, it seems to be effective.