88.1/100Our Score
#1 of 1 in its comparison group
Value (price per oz)reference product — only one in its category, so it sets the bar
30.0/30
Amazon rating4.5★ · 430 ratings
18.1/20
Amazon Best Sellers Rankreference product — only one in its category, so it sets the bar
10.0/10
CertificationNon-GMO, Gluten Free
20.0/20
Caffeine declarednot declared
0.0/10
Direct Salesold directly by the brand
10.0/10
One index — value, Amazon rating, Best Sellers Rank, certification, declared caffeine and direct sale — replaces separate price/stars callouts. See how it's calculated; it's not an independent lab test.
Supplement
Carlyle Guarana Extract Capsules, 200 Count
Carlyle
$16.98
captured 2026-09-14 · price is a snapshot, confirm on Amazon
| Format | Supplement |
|---|---|
| Net weight | — |
| Servings per package | 200 |
| Caffeine per serving | — |
| Origin | — |
| Certifications | Non-GMO, Gluten Free |
| Ingredients | Guarana seed extract |
| Steep time | — |
| Water temperature | — |
Amazon Best Sellers Rank
Best Sellers Rank: #74,047 in Health & Household (See Top 100 in Health & Household)
Sales rank is shown for context only — it never affects Our Score. Checked 2026-09-20.
Pros
- 4.5★ across 430 ratings
- 200 capsules — a long supply at a low per-capsule cost ($0.08)
- Non-GMO and Gluten-Free
- Amazon's Choice
Cons
- Caffeine-per-capsule not disclosed on this listing
Ideal for: Someone who wants guarana's naturally occurring caffeine in capsule form instead of brewing a tea or powder.
430 ratings averaging 4.5★ — reviewers describe a steady energy boost without a crash.
Full profile — added and verified directly on the live Amazon listing 2026-09-14.