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 4 out of 5 stars

Trusting the science and history of this product as part of the program. Hard to rate it separately.

Rated 5 out of 5 stars

I use this product with the combination of ox-drops, and other Nzyme's supplements, so far so good, the skin and coat overall looks good, the stool is good, no complaints, this is my 3rd bottle

Rated 5 out of 5 stars

only thing that has worked on my dog for excess yeast

Rated 5 out of 5 stars

Awesome products that solved the unsightly warts on my puppy’s mouth and nose within 10 days! I highly recommend them!

Rated 5 out of 5 stars

Leo has tolerated well detoxing has cleared his skin

Rated 5 out of 5 stars

I got this as part of the Oral Growth in Dogs package, so it works with the other items in the package. My dog's mouth is healing and there are no new growths.

Rated 5 out of 5 stars

Another "must" used in conjunction with the protein and other items. Love it.

Rated 5 out of 5 stars

I bought the entire system with all five products. He has improved so much after using. He is not itching like he use to. I tell everyone about Nzymes.

Rated 1 out of 5 stars

My dog is suffering from allergies and we didn't find this to help

Rated 5 out of 5 stars

I have not used any other "parasite" prevention since using this product.

Rated 5 out of 5 stars

I know it is killing the yeast in my dog. He has improved immensely! I continue to use it daily.

Rated 1 out of 5 stars

saw no difference

Rated 5 out of 5 stars

Used in the Healthy Skin Kit- has almost completely erased my dog's systemic yeast infection. Still using the kit and seeing things clear up more and more each week. Very grateful for helping my dog with a life long problem that I had been unable get any control over. Began using on my other dog who's back was balding and covered with recurring growths- they have disappeared and her hair is now almost totally filled in. HIGHLY EFFECTIVE.

Rated 5 out of 5 stars

Part of the Nzymes protocol, Shadow’s fungus is at a minimum, he has stopped itching and I am so thankful I discovered these products.

Rated 5 out of 5 stars

I think of it as "protection from creepy Crawlies" for myself and my pets.

Rated 5 out of 5 stars

This stuff is the bomb. I use it every day with my dogs.

Rated 1 out of 5 stars

If I could give this product zero stars I would. It made my fur baby dreadfully ill. I get that she has to have a yeast die off, but this product made me scared she was going to die for about 3 weeks. I stopped using and she immediately felt better. I was using all the other products in the skin bundle, and do not recommend any of them. I am now using something from a different company Four Leaf Rover for her yeast issues-(it is called Yeast Free Fido bundle). and already those products work 100% better than Nzymes with way way better ingredients. I wanted to believe in Nzymes, but after comparing ingedients, am realizing Nzymes is just soy beans. and the Oxy Drops are like poison. Please do your research.

Rated 5 out of 5 stars

Very good. Use this with the other products and it is working.