Updated October 14, 2026 · ThriveCue Editorial Team
Diamond CBD vs Nuun
Diamond CBD vs Nuun: the differences
| Compare |  Diamond CBD |  Nuun |
|---|---|---|
| Subscription discount | 40%Higher | 15% |
| Certifications | Organic | Informed sport, B corp |
| Money-back period | 100 daysHigher | 60 days |
| Markets | US | US, CACovers more |
| Price from | Not confirmed | $7.49 |
| Price per serving | Not confirmed | $0.75 |
Same on both: Third-party tested (Yes).
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Key differences
- Nuun scores higher overall: 9.5 vs 9.4.
- Subscription discount is higher at Diamond CBD: 40% vs 15%.
- Money-back period is higher at Diamond CBD: 100 days vs 60 days.
- Support channels: only Diamond CBD offers Chat.
- Support channels: only Nuun offers Community.
- Certifications: only Diamond CBD offers Organic.
- Certifications: only Nuun offers Informed sport, B corp.
- Nuun is available in 1 more country.
- Products: only Diamond CBD offers Sleep stress.
- Products: only Nuun offers Electrolytes, Multivitamins, Vitamins minerals.
Our verdict on each
Diamond CBD
Diamond CBD suits US shoppers who want a sleep and stress line with third-party testing and a long money-back window. A subscription order takes 40% off the price, so a routine buys well; the limit is that orders ship to US only.
Nuun
Nuun suits readers who want electrolyte tablets bought as they need them, with an entry price of $7.49 on Nuun Sport and $0.75 a serving. Vitamins-and-multivitamins rivals that bundle a monthly plan charge on delivery rather than letting you stop, so Nuun fits anyone who buys by the box.
Score breakdown
| Area | Diamond CBD | Nuun |
|---|---|---|
| Cost | Not confirmed | 9.6Entry on Nuun Sport at $7.49, a serving at $0.75, and an entry rank of 11 out of 157. |
| Offer | 9.7HigherSubscription discount of 40% and a 100 days money-back window carry the value, on a sleep and stress plus nootropics range. | 9.4Subscribers save 15% on every order, and the money back window runs 60 days, so a trial box carries little risk. |
| Trust | 8.8Third-party testing is a stated yes and the certification listed is organic, while the company is First Capital Venture registered in US. | 9.7HigherEvery product is third-party tested, and the range carries the informed sport and b corp certifications, so batches are checked outside the company. |
How they place
| Ranking | Diamond CBD | Nuun |
|---|---|---|
| Sleep and stress supplements | 12 of 155 | 11 of 155 |
Choosing between them
Pick Diamond CBD if offer, subscription discount, and money-back period matter most.
Pick Nuun if trust and markets matter most.
Every fact side by side
| Fact | Diamond CBD | Nuun |
|---|---|---|
| Products | Sleep stress, Nootropics | Electrolytes, Multivitamins, Vitamins minerals, Nootropics |
| Diets | Not confirmed | Vegan, Gluten free, Kosher, Keto |
| Legal entity | First Capital Venture | Nuun & Company, Inc. |
| Headquarters | United States | United States |
| Support channels | Email, Chat, Phone, Help centre | Email, Phone, Help centre, Community |
Sports nutrition
| Fact | Diamond CBD | Nuun |
|---|---|---|
| Protein per serving (g) | Not confirmed | 0 |
| Flavours (flavours) | Not confirmed | 10 |
Where each stands against the rest
| Fact | Diamond CBD | Nuun | Median |
|---|---|---|---|
| Price from | Not confirmed | $7.49lowest quarter | $42.95 |
| Price per serving | Not confirmed | $0.75lowest quarter | $1.46 |
| Subscription discount | 40%highest quarter | 15%at the median | 15% |
| Money-back period | 100 dayshighest quarter | 60 daysabove the median | 30 days |
Median across 167 listed brands.
Pros and cons
Diamond CBD
Pros
- Third-party testing is a stated yes, so the lab claim on the products is easy to weigh before buying.
- Subscription orders come in at 40% off, the cheapest way to keep a routine running.
- The money-back window of 100 days gives slow decisions plenty of room.
Cons
- Orders ship to US only, so the 40% subscription saving is worth nothing to anyone outside that market.
- The catalogue is sleep stress and nootropics, a much tighter range than DocMorris, which lists multivitamins, vitamins minerals and omega 3.
- The only certification listed is organic, leaving shoppers who weigh a named testing programme with a thin basis.
Nuun
Pros
- Entry price of $7.49 on Nuun Sport puts the brand at position 11 of the 157 brands tracked on price from.
- A serving of Nuun Sport costs $0.75, which lands at position 42 of the 121 brands compared on cost per serving.
- Every product is third-party tested, against 84.5% of brands in the vitamins-and-multivitamins category that report the same.
Cons
- Where it runs is narrow: the range is built for US and CA, so readers in the UK are better served by DocMorris, which covers multivitamins, vitamins minerals and omega 3.
- Protein per serving sits at 0 g, well under the 24 median across the brands compared, so anyone buying this alongside a pre-workout still needs a separate protein source.
- The range is built on electrolytes, multivitamins and vitamins minerals rather than on vitamins alone, and TestRX stays closer to vitamins minerals for readers shopping purely for a daily vitamin.
Who each suits
Diamond CBD
Who it suits
- US shoppers focused on sleep and stress who want third-party testing and a long trial window.
- People happy to order by subscription to take 40% off repeat purchases.
- Shoppers who want a focus product in the same basket, since sleep stress and nootropics covers sleep, stress and nootropics.
Who should look elsewhere
- Anyone who wants a broad catalogue: Diamond CBD covers sleep stress and nootropics, while DocMorris lists multivitamins, vitamins minerals and omega 3.
- Buyers after probiotics, collagen, omega-3 or vitamins and minerals, which Life Extension lists in multivitamins, vitamins minerals and omega 3 and sit outside sleep stress and nootropics.
- Shoppers living outside US, where the brand does not ship.
Nuun
Who it suits
- Readers after electrolyte tablets rather than capsules, since the range covers electrolytes, multivitamins and vitamins minerals.
- Anyone in the markets Nuun serves, listed as US and CA.
- Shoppers on restricted diets, given the range is labelled for vegan, gluten free and kosher.
Who should look elsewhere
- Readers in the UK, who should look at DocMorris and its own range of multivitamins, vitamins minerals and omega 3.
- Anyone shopping only for a daily vitamin, since ProSolution Plus sells vitamins minerals and TestRX vitamins minerals alone.
Current offers
Diamond CBD
Current offer
Discount code
40% off first purchase coupon on signup: 40% off first purchase
One time coupon emailed on registration; first purchase only
Source, checked September 30, 2026
Nuun
Current offer
Discount code
20% off your first order: 20%
Sign up for the newsletter and a 20% off discount code is sent to the inbox
Source, checked September 30, 2026
Country by country
| Country | Diamond CBD | Nuun |
|---|---|---|
| Canada | No | Yes |
| United States | Yes | Yes |
Questions about each
Diamond CBD
What does the subscription discount do to the price?+
Subscription orders are marked at 40% off, and that saving attaches to the subscription rather than to a single buy. Pair it with the 100 days money-back window and a cautious trial is easier to justify. Serving cost still moves with the size of the format you pick, so compare the listed serving figures before settling.
Is there a long return window if a product misses the mark?+
The money-back guarantee runs 100 days, long enough to judge a sleep or stress formula over repeated use rather than a single night. Requests go to the same team, reachable on email, chat and phone. Together they make a slow decision low risk, as long as you keep the terms attached to your order.
Nuun
What does Nuun cost?+
The entry point is $7.49 on the Nuun Sport range, and subscriptions take 15% off that price. There is no membership fee attached, and the amount you see at entry is the amount you pay for the box you order next.
What is the cost per serving?+
A serving of Nuun Sport works out at $0.75, which places the brand at position 42 of the 121 brands compared on that measure. If you take more than a tablet a day, the cost is worth multiplying out before you commit.