Powerful
by Xenadrine · capsule · 60 rapid release capsules
- On the market (NIH)
- DSLD label 34301
- Serving 1 to 2 rapid-release capsules (Day 1 to 3, take 1 rapid-release capsule. Day 4 and beyond, take 2 rapid-release capsules.); amounts per 1 rapid-release capsule
- 30 servings
Powerful by Xenadrine lists 11 ingredients, 2 with an amount per serving of 1 rapid-release capsule, such as 7 mg of vitamin C and 70 mg of calcium; 9 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2014.
What is in Powerful?
Each row as the label prints it, per serving of 1 rapid-release capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ascorbic Acid | 7 mg | 12% | 96% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 42 mg. |
| Calcium | 70 mg | 7% | 65% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 420 mg. |
| Xenadrine(R) Blend | 488 mg | ||
| Extreme Energy and Metabolic Intensifier Complex | in the blend, no amount given | ||
| Caffeine anhydrousas 1,3,7-TrimethylxanthineCaffeine anhydrous (Form: 1,3,7-trimethylxanthine) Note: Supplying 200mg of caffeine | in the blend, no amount given | ||
| L-Theanine | in the blend, no amount given | ||
| Yohimbe bark extractas Pausinystalia yohimbe, Rauwolscine, YohimbineYohimbe bark extract (Form: as Pausinystalia yohimbe, Supplying Yohimbine, and Rauwolscine) CorrectedName: yohimbe PlantPart: bark Genus: Pausinystalia Species: yohimbe | in the blend, no amount given | ||
| L-Carnitine | in the blend, no amount given | ||
| White willow bark extractas as Salix alba | in the blend, no amount given | ||
| Powerful Weight Loss Complex | no amount given | ||
| Frauenmantle leaf extractas Alchemilla vulgarisFrauenmantle leaf extract (Form: as Alchemilla vulgaris Genus: Alchemilla Species: vulgaris) PlantPart: leaf | in the blend, no amount given | ||
| wild Olive leaf extractas Olea europaeawild Olive leaf extract (Form: as Olea europaea Genus: Olea Species: europaea) PlantPart: leaf | in the blend, no amount given | ||
| Cormino seed extractas Cuminum cyminumCormino seed extract (Form: as Cuminum cyminum Genus: Cuminum Species: cyminum) PlantPart: seed | in the blend, no amount given | ||
| Horsemint leaf extractas Mentha longifoliaHorsemint leaf extract (Form: as Mentha longifolia Genus: Mentha Species: longifolia) PlantPart: leaf | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 34301 (entered June 25, 2014), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 96% of the 18,583 products that print an amount of vitamin C list more than its 7 mg of vitamin C (median 100 mg).
The NIH database records 1 to 6 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with Powerful's, rare ingredients counting for more.
- Raspberry Ketones+ Gummies Mixed FruitHerbal Zen Weight Loss · off the market 5 shared, 53% alike
- Garcinia Cambogia+ Gummies CherryPurely Inspired · off the market 5 shared, 49% alike
- Garcinia Cambogia+ Gummies Cherry BlastHerbal Zen Weight Loss · off the market 5 shared, 44% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- How to take Xenadrine Day 1 to day 3 1 rapid-release capsule with a glass of water, 30 minutes before your 3 meals of the day. Day 4 and beyond 2 rapid-release capsules with a glass of water, 30 minutes before your 3 meals of the day. ~ Use while following a calorie-reduced diet and regular exercise program. ~ Don't snack after dinner or in between meals, and remember to drink 8 to 10 glasses of water each day. ~ For best results, use Xenadrine for 8 to 12 weeks. ~ Do not exceed 6 capsules in a 24-hour period. ~ Do not take within 5 hours of bedtime. ~ Ensure you read the entire label before use and follow these directions.
- Warnings
- WARNING: Not intended for use by persons under 18.
- Do not use if you are pregnant or nursing.
- Discontinue use and consult a medical doctor if you experience unusual symptoms.
- Do not use if you are allergic or contraindicated to aspirin.
- KEEP OUT OF REACH OF CHILDREN
- Discontinue use two weeks prior to surgery or if upset stomach occurs.
- Consult a medical doctor before use if you have been treated for, or diagnosed with or have a family history of any medical condition or if you are using any prescription or over-the-counter drug(s), including blood thinners.
- One serving (2 capsules) of this product contains up to as much caffeine as 2 cups of coffee. Caffeine sensitive individuals may experience the following symptoms including (but not limited to) restlessness, nervousness, tremors, headache, anxiety, palpitations, increased heart rate, or difficulty sleeping. Do not combine with other sources of caffeine. Consult a medical doctor before starting a diet or exercise program. Do not exceed recommended serving. Improper use of this product will not improve results and is not advised. Use only as directed. Do not use if packaging has been tampered with.
- Do not exceed recommended dosage!
- Storage
- Store in a cool, dry place (60(0)F to 80(0)F).
Source: label statements in DSLD label 34301.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Gelatin Capsule, Tricalcium Phosphate, Dicalcium Phosphate, Magnesium Stearate, Silicon Dioxide.
How many labels does Powerful have?
One label is on file, entered on June 25, 2014.
- Label 34301 (current) Entered June 25, 2014 · on the market · 60 rapid release capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Iovate Health Sciences U.S.A. Inc. (distributor), Wilmington, DE. All Xenadrine products.