Zuma Nutrition
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Editor's Verdict
👍 Pros
- ✓Publishes an actual Certificate of Analysis as a PDF, which very few supplement brands do
- ✓Names the testing laboratory rather than making a vague third-party tested claim
- ✓Testing covers four heavy metals and three pathogens, which is the right panel for a botanical extract
- ✓Discloses the extract ratio and herb weight equivalence, giving buyers something concrete to assess
- ✓Unusually complete warnings block covering under-18s, pregnancy and nursing, prescription medication, serious conditions, alcohol content and allergies
- ✓Carries the FDA disclaimer rather than implying medical approval
- ✓Per-serving pricing is published honestly for two and three bottle orders
- ✓At roughly $0.95 per serving the tonic is reasonably priced for a herbal tincture
- ✓Subscription terms are transparent with skip, swap or cancel at any time and no lock-in
- ✓Vegan, gluten free, organic and wild-harvested ingredients, made in the USA, kosher alcohol base
- ✓Dispatch within one to three business days
👎 Cons
- ✕Liver cleansing and detoxification is not a recognised clinical category; the liver performs these functions continuously and no herbal product has been shown to improve on that
- ✕The returns badge advertises 30 days while the written policy accepts only sealed, unopened items within 14 days, and excludes opened items from the EU and UK withdrawal right
- ✕Review counts contradict each other, with a header badge showing 292 reviews and the reviews section showing 4.8 from only 10
- ✕Per-herb amounts appear only inside a label image, not in page text
- ✕360 mg of herb weight equivalence split across six herbs leaves roughly 60 mg each, far below the doses used in research; milk thistle trials typically use 140 to 420 mg of standardised silymarin daily
- ✕No clinical studies are cited despite silymarin, oleuropein and aspalathin being named by their active compound names
- ✕The extraction process is described only as advanced, with no method specified
- ✕No contact email, telephone number or trading address appears on the page
- ✕Free shipping requires a $90 order, more than double the price of this product
- ✕The base is alcohol, which deserves note in a liver-support product and matters for anyone in recovery from alcohol dependence or taking metronidazole or disulfiram
- ✕Milk thistle and chamomile are both in the Asteraceae family, so anyone sensitive to ragweed or daisies may react
- ✕Burdock root requires careful botanical identification, and the published testing covers metals and microbes rather than species verification
- ✕The wider catalogue includes parasite, candida, SIBO and heavy metal cleanse protocols, categories that range from unproven to actively unhelpful, and the recommended bundle pairs this tonic with a zeolite product that has no credible evidence behind it
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Frequently Asked Questions
Free US shipping applies on orders over $90. Below that threshold, and for international destinations, rates are calculated at checkout and are not published on the listing. Orders dispatch within one to three business days. Since this product is $39.95, reaching the free shipping threshold means buying two or three bottles or adding other items.
This is worth reading carefully, because the page gives two different answers. A badge advertises 30-Day Returns, but the written terms accept only sealed, unopened items within 14 days, and opened items are excluded from the EU and UK withdrawal right. In practice that means once you open a bottle it is not returnable, so the 30-day badge should not be relied upon. The full refund policy sits on a separate linked page, and no contact email, phone number or address is published on the listing.
Each 0.7 ml dropper delivers 360 mg of herb weight equivalence from milk thistle, olive leaf, agrimony, burdock root, chamomile and red rooibos, extracted in certified kosher grain alcohol and organic flax seed glycerin, at a disclosed ratio of 1:6.87 in the 30 ml bottle or 1:7.3 in the 50 ml. Per-herb amounts appear only inside a label image rather than in text. Spread across six botanicals, that total works out at roughly 60 mg each, which is well below the amounts used in research; milk thistle trials, for instance, generally use 140 to 420 mg of standardised silymarin a day.
Yes, and more convincingly than most. Testing is attributed to Advanced Laboratories, described as an independent FDA-registered lab, covering heavy metals including lead, arsenic, cadmium and mercury, plus microbial screening for E. coli, Salmonella and S. aureus. A Certificate of Analysis is published as a downloadable PDF. Publishing a COA with a named lab is genuinely uncommon in this category and is the strongest point in the product's favour.
The liver already detoxifies continuously, and there is no evidence that herbal products improve that function in a healthy person. Zuma uses the cautious phrasing of supporting the body's natural detox processes and carries the FDA disclaimer, but the product name and the liver cleanse bundle imply more than the evidence supports, and no studies are cited. Think of this as a bitter digestive tonic rather than a treatment. If you have abnormal liver blood tests, fatty liver disease, hepatitis, jaundice or pain under the right ribs, that needs medical assessment; fatty liver in particular is common and responds to weight management and reducing alcohol.
The brand's own warnings are comprehensive and worth following: not for anyone under 18, not during pregnancy or nursing, and consult a physician if you have a serious medical condition or take prescription medication. Beyond that, the base is alcohol, which is relevant if you are in recovery from alcohol dependence or taking metronidazole or disulfiram. Milk thistle and chamomile are both Asteraceae plants, so anyone sensitive to ragweed, daisies or chamomile may react. Mild digestive discomfort is noted as a possible effect, and you should stop if any adverse reaction occurs.
Every Zuma Nutrition code listed on smartstorereview is tested against the live checkout before publication and rechecked regularly, with expired codes removed and the last verified date shown beside each offer. The subscription already carries 10% off with an extra 10% on a first order, and codes may not stack with that, so compare the discounted one-time price against the subscription total before completing payment.
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Customer Reviews
3.2
★★★☆☆
600 reviews
Delia F. Verified Buyer
★★★★★
What sold me was that they publish an actual certificate of analysis with a named lab on it, which I had not found anywhere else when I was comparing tinctures. The taste is properly bitter, which I take as a good sign in a digestive tonic, and the 50ml bottle lasted me well over two months at one dropper a day.
Graham P. Verified Buyer
★★★☆☆
I appreciate the transparency on the extract ratio and the warnings, which are more thorough than most. What I could not get past is the dose, because 360mg of herb equivalent across six herbs means about sixty milligrams of milk thistle, and the studies my pharmacist showed me use several hundred milligrams of standardised extract.
Yvonne T. Verified Buyer
★★☆☆☆
The badge said thirty day returns so I ordered, then found the actual policy only takes sealed bottles back within fourteen days. Since you cannot tell whether a tonic suits you without opening it, that is effectively no return at all. The header also claims 292 reviews while the review section showed ten.