ZYN Spearmint 6mg review
A first look based on FDA paperwork and manufacturer specifications, with no scores. The spec sheet, the flavour chemistry, and the two states where it cannot be sold.
This is a first look, based on manufacturer specifications and FDA’s own paperwork — I have not used this product, so there are no scores. ZYN Spearmint 6 mg is a 0.40 g pouch, 28 × 14 × 4.5 mm, fifteen to a polypropylene can, with nicotine supplied as bitartrate dihydrate. What separates it from the other ZYN mints is not a taste note: it is the only one of them that has been measured to contain carvone.
Scores on this site come from products actually used. I have not used this one, so there is no verdict and no flavour description — writing one would be making it up. What a first look can do is tell you exactly what the thing is, and on this product that turns out to be a lot. It is authorised, so FDA published a spec sheet and a sixty-nine-page review; and an independent laboratory has run the flavour chemistry across the ZYN mint range, so the difference between Spearmint and its siblings can be stated in micrograms rather than adjectives. For the company and the range as a whole, see the ZYN brand guide; for where this sits against everything else, the master ranking.
The specification
From Appendix A of FDA’s marketing granted order of 16 January 2025, cross-checked against the company’s own figures.
| Specification | Value | Source |
|---|---|---|
| Nicotine per pouch | 6 mg | FDA order letter |
| Nicotine form | Nicotine bitartrate dihydrate, tobacco-derived | ZYN’s US FAQ; FDA records “Nicotine source: Tobacco” |
| Pouch mass | 0.40 g target (company says “approximately 0.4 grams”) | FDA order letter; ZYN US FAQ |
| Dimensions | 28 mm long × 14 mm wide × 4.5 mm thick | FDA order letter |
| Pouches per can | 15 — but see the last section | FDA order letter; FDA MRTP order, June 2026; ZYN US FAQ |
| Declared can quantity | 6 g (15 × 0.40 g exactly) | FDA order letter |
| Can | Polypropylene can and lid, child-resistant, certified under 16 CFR 1700.20 | FDA order letter and review |
| Other ingredients | Hydroxypropyl cellulose; microcrystalline cellulose, maltitol, gum arabic; sodium carbonate and bicarbonate; acesulfame K; flavourings | ZYN US FAQ |
| Made in | Owensboro, Kentucky and Kungälv, Sweden | FDA review; ZYN US FAQ |
| FDA authorisation | PMTA marketing granted order, 16 January 2025, STN PM0000598.PD1 | FDA product database |
| pH | Not published by anyone | — |
One caveat, and it is FDA’s own: footnote 11 of the order letter records that the applicant submitted two of the three dimensions and the third was calculated. So one of 28, 14 and 4.5 is arithmetic. At 0.40 g this is a slim-format pouch by the usual conventions, though neither FDA nor ZYN uses a format word for it anywhere I could find, and 6 mg is the mainstream tier.
What makes Spearmint different, in micrograms
A team at Yale, funded by the National Institute on Drug Abuse and FDA’s own Center for Tobacco Products, ran gas chromatography across the ZYN mint range and published the flavour-compound content per pouch.
| ZYN variety | Carvone | Menthol | Menthone | WS-3 (cooling agent) |
|---|---|---|---|---|
| Spearmint | 1180 ± 185 µg | 470 ± 44 µg | — | 209 ± 15 µg |
| Peppermint | — | 1,925 ± 140 µg | 791 ± 55 µg | 201 ± 11 µg |
| Cool Mint | — | 5406 ± 259 µg | — | — |
| Menthol | — | 1390 µg | — | — |
| Chill | — | — | — | 234 ± 7 µg |
| Smooth | none detected | none detected | none detected | none detected |
Spearmint is the carvone one — the only ZYN variety in which carvone was detected, and carvone is the compound that makes spearmint taste like spearmint rather than like peppermint. The authors’ wording: “Other minty flavourants were detected in Zyn Peppermint (menthol: 1,925±140 μg; menthone: 791±55 μg; and menthyl acetate: 105±9 μg) and in Zyn Spearmint (carvone: 1180±185 μg and menthol: 470±44 μg).”
It carries about a quarter of Peppermint’s menthol and a twelfth of Cool Mint’s. If your reason for reaching for spearmint is that the other mints are too cold, that is the number behind the preference — and it is the measurable difference between this and ZYN Peppermint 6mg.
It still contains a synthetic cooling agent. WS-3 is, in the paper’s words, “an odourless menthol-derived synthetic cooling agent”, and Spearmint carries it at a level indistinguishable from Peppermint’s and about 90% of what is in Chill — the variety ZYN markets as unflavoured.
Three caveats. The samples were bought between July and October 2022, before the authorisation, so the formulation may have moved; the paper does not break its figures down by strength, so these are “ZYN Spearmint” rather than specifically the 6 mg; and a 2026 group using a shorter extraction measured lower values across the ZYN range. Treat them as the order of magnitude, not the decimal. The funding, unusually for this literature, is clean: NIDA grant R56DA055996 and the Yale Tobacco Center of Regulatory Science, with “The funding organization had no role in the design and conduct of the study”.
What FDA measured, and what it blacked out
The technical project lead review is the most detailed public document on this product. On harmful constituents: “Overall, among the 42 HPHCs analyzed in the new products, levels of 36 were too low to be quantified.” Of the six that were quantifiable somewhere in the range, coumarin is a Cinnamon finding and naphthalene a Citrus one, so neither applies here.
Against Swedish Match’s own General Snus as the benchmark, acetaldehyde runs “78%-89% lower” and nornicotine “98%-100% lower”. One goes the other way, and I would rather print it than not: “Formaldehyde is quantifiable in the new products in all PMTAs and levels are 24%-52% higher when compared to General Snus.” FDA accepted that because the levels sit below what a person can consume daily over a lifetime without appreciable risk. On nitrosamines: “The new products do not contain measurable quantities of carcinogenic TSNAs, including NNN and NNK” — which matters because “NNN is the predominant driver of excess oral cancer risk among adults who use smokeless tobacco”, and General Snus does carry measurable amounts of both. TSNAs in snus puts those numbers in context.
Now the awkward one. FDA’s chemistry reviewers found “nicotine quantity in half of the samples of the new products was lower than the target quantity of nicotine (approximately 4.5 mg rather than the 6.0 mg target specification)”. The agency bounded it immediately — the shortfall “was only observed in the test materials used for the nicotine PK study”, and after eighteen batches it concluded the applicant “has demonstrated that it can manufacture the new products consistently within the established manufacturing specifications.” Both halves belong here. It is still striking that an independent measurement points the same way: a 2026 laboratory study assayed a 6 mg ZYN at 5.4 mg.
And what is not there. No pH value for any ZYN product exists in FDA’s public record. Every occurrence across the review and the later modified-risk decision summary is qualitative or redacted, and FDA twice recommended independent verification testing without publishing a number. Moisture target, fleece composition and the specific nicotine salt are all blacked out as confidential commercial information — the salt only reached the public because the company names it on its own FAQ. Since pH governs how much nicotine is in freebase form, and that governs how a pouch feels, it is a real hole: see pouch pH and why it changes the hit. No source anywhere publishes a freebase fraction for ZYN.
Where it sits among spearmint pouches
The one cross-brand dataset that measures pouches physically, a 2026 Scientific Reports paper, happens to have sampled three spearmint products alongside a ZYN. The ZYN was Cool Mint 6 mg, not Spearmint — same platform and strength, different flavour — so read that row as the formulation rather than as this product.
| Product | Moisture | pH | Nicotine measured | Released in 60 min |
|---|---|---|---|---|
| ZYN Cool Mint 6 mg | 3.52% | 7.62 | 5.4 mg | 96% |
| Dryft Spearmint 7 mg | 3.71% | 8.31 | 5.7 mg | 90% |
| Velo Spearmint 7 mg | 6.62% | 8.98 | 4.6 mg | 88% |
| Rogue Spearmint 6 mg | 14.70% | 7.43 | 6.2 mg | 72% |
The ZYN platform is the driest of the four, had the highest soluble fraction of the seven products tested at 78.26%, and gave up its nicotine fastest. Its pH is also close to the lowest, which cuts the other way: lower pH means less nicotine in freebase form, and freebase is the fraction that crosses a membrane quickly. Fast release from the pouch and a high freebase fraction are not the same lever — nicotine salts vs freebase covers why people conflate them. That study was “funded by Altria Client Services LLC, an affiliate of Helix Innovations LLC, the manufacturer of on! nicotine pouches”: a competitor’s parent measuring ZYN and finding it fastest, which is a reason to read carefully and also a result that runs against the funder’s interest.
Who this suits
On the documents: someone already at 6 mg who wants less menthol, because the carvone-and-modest-menthol profile is a measurable difference from Cool Mint and Peppermint rather than a marketing one; someone who wants an FDA authorisation behind the product, which rules out most of the shelf; and someone who prefers a dry, fast-releasing pouch to a wet, slow one — though a fast one also runs out sooner, which is its own small skill (how to tell when a pouch is finished).
It suits you less if you are new to pouches, since 6 mg is not a first strength (choosing your first strength), or if you are sensitive to cooling agents, since this carries WS-3 without being sold as a cooling product. And, as the next section covers, not at all if you live somewhere it cannot legally be sold.
Regulatory status in the United States
ZYN Spearmint 6 mg is one of the 43 nicotine pouch products FDA has authorised, from two companies. FDA’s framing of that list: “These are the only nicotine pouch products that may be lawfully sold in the United States.” Most brands this site reviews are not on it. This one is.
Since 30 June 2026 it also carries something rarer: a modified risk tobacco product order, granted to twenty ZYN products, permitting one specific claim and no other:
“Using ZYN instead of cigarettes puts you at a lower risk of mouth cancer, heart disease, lung cancer, stroke, emphysema, and chronic bronchitis.”
Read that scope precisely, because it is narrower than it sounds. It is a closed list of seven named conditions, conditional on using ZYN instead of cigarettes — it says nothing about someone who does not smoke, and nothing about quitting. It runs “effective for 5 years from the issue date of this letter”. And FDA attached its usual caution in the same document: the order “does not mean we ‘approved’ the tobacco products specified in Appendix A”. None of it makes the product safe, and FDA’s standing language says so directly: “it does not mean these products are safe, nor are they ‘FDA approved.'”
On dependence the conclusion is comparative and hedged: abuse liability “is expected to be lower than that of combusted cigarettes and lower than some smokeless tobacco products”. Note “some”. The benchmarks were Swedish Match’s own General Snus and a named American moist snuff, Longhorn Pouch Natural — not a cigarette, and not the subject’s own usual brand. And the 6 mg Spearmint conclusion is bridged from the 3 mg product’s test data rather than measured directly; FDA says so itself. For what it is worth, 6 mg Menthol was the one variety that did not clear that bar. Spearmint did.
Where you cannot buy it
Spearmint is a characterising flavour, and in two US states that is decisive. California runs a positive register: the Attorney General’s Unflavored Tobacco List, which “identifies specific tobacco product Brand Styles that manufacturers and importers have certified, under penalty of perjury, as containing no constituents that impart a characterizing flavor”. The state’s own portal states the consequence plainly — “To be sold legally in California, a covered tobacco product must be included on this list” — and defines the covered category as “Any product containing or derived from tobacco or nicotine”, which is how a tobacco-free pouch is caught.
I searched that register on 28 October 2026. ZYN appears twelve times — Original and Smooth at 3 and 6 mg, plus two Ultra Signature Smooth entries. Searching for Spearmint, Peppermint or Wintergreen returns nothing, while a control search for Menthol returns twenty-six rows, so the search works and the absence is real. ZYN Spearmint is not certified for California and may not lawfully be sold there; where to buy nicotine pouches in California covers the ban in full.
Massachusetts works by prohibition rather than register, and reaches further than most people expect. M.G.L. c. 270 § 28 defines a tobacco product as “a product containing or made or derived from tobacco or nicotine”, lists “menthol, mint, wintergreen, herb or spice” among characterising flavours, and binds not just retailers: “No person, retailer or manufacturer shall sell, distribute, cause to be sold or distributed, offer for sale any flavored tobacco product … in any retail establishment, online or through any other means to any consumer in the commonwealth.” Online sales into the state are expressly covered.
The obvious objection — that ZYN now has an FDA order, so the statute’s medical carve-out might apply — does not work. That exemption is for products “approved by the United States Food and Drug Administration for the sale of or use as a tobacco cessation product”, and FDA’s own letter says in terms that its orders are not approvals.
The can is about to change size
Every FDA document on this product, including the June 2026 modified-risk order, specifies fifteen pouches per can, and ZYN’s US FAQ still says “Every can of ZYN contains 15 nicotine pouches.” But on 21 October 2026 Philip Morris told investors it is funding “the transition of the majority of the ZYN flagship portfolio to 20-pouch cans (from 15-pouch cans today)”.
So fifteen is the specification of record today, twenty is coming, and PMI itself says “the majority”, not all. California’s register already carries both 15-count and 20-count SKUs with distinct barcodes, though only for the flavourless varieties it permits. If you pick up a Spearmint can after this is published and it holds twenty, the price per pouch has moved and this page’s per-can arithmetic has not; how many pouches are in a can tracks this across brands.
Frequently asked questions
Is ZYN Spearmint 6mg FDA approved?
No, and the distinction matters. It is FDA authorised, which is a finding that marketing it is appropriate for the protection of public health. FDA’s own letter says the finding “does not mean FDA has ‘approved’ the new tobacco products”.
How is it different from ZYN Peppermint?
Measurably: Spearmint contains carvone and Peppermint does not; Peppermint carries roughly four times the menthol plus menthone and menthyl acetate. Both carry a similar amount of the synthetic cooling agent WS-3.
Does it really contain 6 mg?
That is the target, and FDA accepted manufacturing consistency after eighteen batches. It also recorded samples assaying around 4.5 mg in one study, and an independent laboratory measured 5.4 mg in a 6 mg ZYN. Labelled strength and measured content are not the same number — see nicotine delivery vs nicotine content.
Is it tobacco-free?
The pouch contains no tobacco leaf, but FDA’s paperwork records the nicotine source as “Tobacco” — it is extracted from the plant. Tobacco-free vs synthetic nicotine covers the difference.
Sources
- FDA, marketing granted order letter to Swedish Match USA, PM0000593.PD1–PM0000612.PD1, 16 January 2025. Appendix A carries the Spearmint 6 mg specification block.
- FDA, technical project lead review of the same applications, 69 pp.
- FDA, Swedish Match USA modified risk tobacco product applications — ZYN products, and the modified risk granted order letter, 30 June 2026.
- FDA, Nicotine pouch products authorized by the FDA, content current as of 21 August 2026.
- FDA, Searchable Tobacco Products Database, export dated 26 October 2026 — the STN, date of action and associated MRTP number.
- Jabba SV et al., Synthetic cooling agent in oral nicotine pouch products marketed as ‘Flavour-Ban Approved’, Tobacco Control. Funded by NIDA grant R56DA055996 and the Yale Tobacco Center of Regulatory Science; the funding organisation had no role in the study’s design or conduct.
- Platt SP et al., Dissolution and physical characterization of oral nicotine pouch products, Scientific Reports, 6 January 2026. Funded by Altria Client Services LLC, an affiliate of the manufacturer of on! nicotine pouches; all listed authors were Altria employees at the time of the study.
- California Department of Justice, Unflavored Tobacco List, searched 28 October 2026.
- Massachusetts General Laws, c. 270 § 28.
- ZYN, US FAQ — ingredient list, pouch count, pouch weight, production sites. Company source.
- Philip Morris International, 2026 third-quarter results, 21 October 2026 — the 20-pouch can transition. Company source.
Last verified 28 October 2026.
