Kroger · Caffeine pills · Tablets
Is Kroger Stay Awake underdosed?
1 serving = 1 tabletLabel as of 4 Sep 2025 · DailyMed (FDA drug label)
Verdict
200 mg per servingone dose · studies use 3–6 mg/kg of caffeine
Below research doseOne serving contains 200 mg; studies use 3–6 mg/kg (225–450 mg at 75 kg) in one dose before training. Studies dose caffeine by bodyweight, so the caffeine calculator works out your own range.
One tablet gives 200 mg, 89% of 225 mg at 75 kg; it ranks 7th of 20 caffeine pills here by dose.
What the label says
- Caffeine per serving
- 200 mg in 1 tablet
- Servings a day
- No daily total given (see the directions below)
- Research dose
- 3–6 mg/kg Evidence: Strong
adults and children 12 years and over: take 1 tablet not more often than every 3 to 4 hours children under 12 years: do not use
More about caffeine: forms, timing and the studies behind the dose.
Same category, compared
All 20 caffeine pills we checked, ranked by dose (commission never changes the order). Studies use 3–6 mg/kg of caffeine.
| Product | Per serving | Share of 225 mg at 75 kg | Form |
|---|---|---|---|
| CVS Caffeine Alertness Aid | 200 mg | 89% | Tablets |
| DG Health Alert | 200 mg | 89% | Tablets |
| Equate (Walmart) Stay Awake | 200 mg | 89% | Tablets |
| Good Neighbor Pharmacy Alert Aid | 200 mg | 89% | Tablets |
| Jet-Alert Double Strength | 200 mg | 89% | Tablets |
| Kaged PurCaf Caffeine | 200 mg | 89% | Capsules |
| Kroger Stay Awake (this product) | 200 mg | 89% | Tablets |
| Leader Caffeine Tablets | 200 mg | 89% | Tablets |
| Natrol High Caffeine 200 mg | 200 mg | 89% | Tablets |
| NoDoz Alertness Aid | 200 mg | 89% | Tablets |
| NutraBio Caffeine 200 mg | 200 mg | 89% | Capsules |
| Nutricost Caffeine 200 mg | 200 mg | 89% | Capsules |
| ProLab Caffeine 200 mg | 200 mg | 89% | Tablets |
| Puritan's Pride Caffeine 200 mg | 200 mg | 89% | Capsules |
| Rite Aid Stay Awake | 200 mg | 89% | Tablets |
| Vivarin Caffeine Alertness Aid | 200 mg | 89% | Tablets |
| Walgreens Awake Maximum Strength | 200 mg | 89% | Tablets |
| Genius Caffeine | 100 mg | 44% | Capsules |
| Jet-Alert Regular Strength | 100 mg | 44% | Tablets |
| Nutricost Caffeine 100 mg | 100 mg | 44% | Capsules |
Where the reference doses come from
- Caffeine, 3–6 mg/kg: Guest et al., 2021.
- Label data: the product's Drug Facts as filed with the FDA, published on DailyMed by the US National Library of Medicine: DailyMed label.
For a supplement taken as one dose we judge one serving, and show the most the label allows in a day. Read the full methodology or the corrections log.