Buoy vs Gruns Greens
In our scoring, Gruns Greens edges ahead overall (7.5 vs 7.2 out of 10).
WeightLossRankings.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more
Key differences
- Price
- Buoy $30.03/mo; Gruns Greens $59.99 every 4 weeks or $63.74 every 4 weeks (different products and plans, so neither is marked cheaper)

Buoy
Affiliate partnerBest for GLP-1-companion electrolyte supplement
Hydration Drops, lowest listed price
$30.03
Our score 7.2/10
Gruns Greens
Affiliate partnerBest for daily-multivitamin gummy as a GLP-1 nutrition adjunct
Subscribe & Save, 28 packs each 4 weeks
$59.99
billed every 4 weeks · $39.99 first month
Our score 7.5/10
We may earn a commission if you sign up through these links. Partner status can affect which provider we feature; it never changes a score or a price.
Costs & coverage
Published prices with their terms attached. Yearly figures are modeled from the standing price and billing cadence. A check mark marks the better side, on like-for-like rows only.
Buoy
Gruns Greens
Price
Lowest listed price
$30.03/mo
Hydration Drops, lowest listed price
$59.99/mo
Subscribe & Save, 28 packs each 4 weeks · billed every 4 weeks · $39.99 first month
Next listed plan
Not listed
$63.74/mo
Subscribe & Save, 28 packs each 4 weeks · billed every 4 weeks · $43.74 first month
Terms & safety
Price shown
Not disclosed
Before intake
FDA warning letters
None on record
None on record
Provider facts checked
August 2026
August 2026
Every dose and plan: Buoy · Gruns Greens
Which fits your priorities?
Only the points where these two differ, from the table above and each provider’s record.

Choose Buoy if…
- Liquid format mixes into any beverage — easier compliance than electrolyte powders
- Marketed as sugar-free with no artificial sweeteners
- Useful adjunct for GLP-1 patients who experience electrolyte loss from reduced appetite and rapid weight loss
What to weigh up
- Exact pricing and the per-serving ingredient panel aren't listed on the pages we reviewed
- Not a substitute for prescription electrolyte management in clinically significant cases
Choose Gruns Greens if…
- Gummy format is dramatically more compliance-friendly than powdered greens or capsule multivitamins
- Useful for GLP-1 patients who experience reduced appetite and need a low-volume way to maintain micronutrient intake
- Widely recognized brand, backed by high-visibility marketing campaigns through 2024-2025
What to weigh up
- Exact ingredient panel, third-party lab testing and pricing tiers aren't listed on the pages we reviewed
- Not a substitute for clinical nutrition management — greens supplements have weak evidence relative to whole-food vegetable intake
Explore the scoring factors
Both providers are scored on the same six-dimension framework. The gradient bar marks the stronger side on each dimension.
Buoy
7.2/10
Gruns Greens
7.5/10
Value25%
Effectiveness25%
User Experience15%
Trust & Safety15%
Accessibility10%
Support10%
Buoy vs Gruns Greens: FAQ
Related comparisons
Continue exploring Buoy and Gruns Greens head-to-heads in the same category.
- Buoy vs IM8 Health
- Buoy vs Betterbrand
- Buoy vs fatty15
- Gruns Greens vs IM8 Health
- Gruns Greens vs Betterbrand
- Gruns Greens vs fatty15
Or see the full category ranking.