Nuchimasu Okinawa Sea Salt (21-Mineral, Room-Temperature Crystallization)

Nuchimasu · Japan (Miyagi Island, Uruma, Okinawa Prefecture)
Seasonings Koji & Salt Ambient Established export

Mineral-rich Okinawan sea salt ('salt of life') made by the world's-first instantaneous room-temperature crystallization method, containing 21 minerals; a Guinness-recognized high-mineral salt.

The supplierNuchimasu (Miyagi Island, Okinawa; making salt since 1997) produces 'salt of life' via a patented instantaneous room-temperature crystallization method, yielding ~21 minerals — recognized by Guinness for mineral content. Exported via Amazon and health-food channels.
Why it sells abroadWorld-first room-temperature crystallization; Guinness-recognized 21-mineral profile; strong health/wellness story

Buyer's brief ✓ SOURCES VERIFIED

Certifications(confirmed) Guinness World Record — recognized in 2000 as the salt with the most minerals (14 types), updated in 2003 to 21 minerals (confirmed via multiple sources incl. official Okinawa tourism/Guinness-certified retail). Maker: Nuchimasu Co., Ltd. (Miyagi Island, Uruma, Okinawa; salt-making since 1997) using mist/room-temperature crystallization. ~73-75% sodium chloride. No halal/kosher/organic certification publicly verified (note: salt is not eligible for organic certification).
Pack formats250g packs (sold in 6-pack export sets); various grinds/powder; 160g also seen
Shelf lifeIndefinite (salt; store dry) — confirmed by product nature
StorageStore dry; ambient
Minimum orderTypical: case/pallet via importers
Lead timeTypical: ex-stock
CapacityTypical: dedicated Okinawa salt factory
Container loadTypical: 20ft dry salt load
PricingPremium mineral-salt tier
OEM / private labelFeasible but no specific public OEM program confirmed
Wholesale & MOQTrue
Key exporters & distributorsNuchimasu Co., Ltd.
Export regulationSalt import/labeling; mineral-claim substantiation; FDA prior notice (US).
Market demandPremium mineral/gourmet-salt and wellness demand abroad
How to source itNuchimasu Co. (Miyagi Island, Okinawa) -> US importers / Amazon channel / Nuchimasu export -> retail
Verified sourceshttps://www.amazon.com/Okinawa-salt-Nuchimasu-250gX6-piece/dp/B00CC8YY00; https://www.oki-islandguide.com/rec-other/nuchi-masu; https://mice.okinawastory.jp/en/en-contents/contents-all/c-140/
MakerNuchimasu Co., Ltd.
OriginJapan (Miyagi Island, Uruma, Okinawa Prefecture)
CategorySeasonings / Koji & Salt
Available inWorldwide
HandlingAmbient
Price tierPremium
ChannelDTC/Online
Export readinessEstablished export
HS code2501.00
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Profile maintained by Japonity (japonity.com), May 2026. General sourcing information only — confirm current availability, pricing, MOQ and the destination market's import rules with the maker or exporter before contracting. Japonity is not affiliated with this brand.