Hydroxystim
by MuscleTech Concentrated Series · capsule · 100 rapid-release thermo caps
- On the market (NIH)
- UPC 6 31656 60333 0
- DSLD label 18106
- Serving 1 to 3 capsules; amounts per 1 capsule
- 100 servings
Hydroxystim by MuscleTech Concentrated Series lists 8 ingredients, 6 with an amount per serving of 1 capsule, such as 100 mg of caffeine anhydrous, 83.3 mg of coleus extract, 37.5 mg of yohimbe extract and 33.3 mg of L-theanine; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2013.
What is in Hydroxystim?
Each row as the label prints it, per serving of 1 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 |
|---|---|---|---|
| Caffeine Anhydrous | 100 mg | 72% of 3,358 products listing caffeine give more (median 200 mg). | |
| Coleus extract | 83.3 mg | 71% of 303 products listing coleus give more (median 125 mg). | |
| Yohimbe extract | 37.5 mg | Higher than 52% of 313 products listing yohimbe (median 31.3 mg). | |
| Yohimbine | no amount given | ||
| Rauwolscine | no amount given | ||
| L-Theanine | 33.3 mg | 92% of 1,602 products listing theanine give more (median 100 mg). | |
| Deanol Bitartrateas DMAEDeanol Bitartrate (Form: supplying DMAE) | 16.7 mg | 91% of 365 products listing deanol give more (median 100 mg). | |
| Huperzine extractas Huperzia serrataHuperzine extract (Form: as Huperzia serrata) PlantPart: aerial parts Genus: Huperzia Species: serrata | 13 mcg | 99% of 164 products listing chinese club moss give more (median 10 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 18106 (entered February 25, 2013), 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:
- 92% of the 1,602 products that print an amount of theanine list more than its 33.3 mg of L-theanine (filed by NIH under theanine) (median 100 mg).
- 91% of the 365 products that print an amount of deanol list more than its 16.7 mg of deanol (median 100 mg).
- 99% of the 164 products that print an amount of chinese club moss list more than its 0.013 mg of huperzine extract (filed by NIH under chinese club moss) (median 10 mg).
The NIH database records one serving 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 Hydroxystim's, rare ingredients counting for more.
- Neurocore Blue RaspberryMuscleTech Concentrated Series 6 shared, 52% alike
- Neurocore Fruit PunchMuscleTech Concentrated Series 6 shared, 52% alike
- Neurocore WatermelonMuscleTech Concentrated Series 6 shared, 52% alike
- Hydroxycut Hardcore Elite Powder Fruit FusionMuscleTech Performance Series 5 shared, 41% alike
- Thermo XTJacked Factory JF 4 shared, 35% 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
- Directions: To assess your tolerance of this potent formula, take one (1) capsule once daily for the first two days. On days three and four, take two (2) capsules once daily. On day five and beyond, take three (3) capsules once daily. Take before your workout. Do not use for more than 8 weeks. Drink 8 to 10 glasses of water daily for general good health. Read the entire label before use.
- Warnings
- WARNING: Not intended for use by persons under 18.
- Discontinue use 2 weeks prior to surgery. One serving of this product contains up to as much caffeine as 1 cup 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 or stimulants. Consult a medical doctor before starting any 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 this packaging has been tampered with.
- KEEP OUT OF REACH OF CHILDREN.
- WARNING: Do not exceed recommended dosage.
- Do not use if pregnant or nursing.
- Discontinue use and consult a medical doctor if you experience unusual symptoms.
- Consult a medical doctor before use if you have been treated for or diagnosed with, or have a family history of any medical condition, including (but not limited to) high blood pressure, heart problems, anxiety, or sleep disorders, or if you are using any prescription or over-the-counter drug(s), including blood thinners.
- Storage
- Store in a cool, dry place (60(0)F to 80(0)F).
Source: label statements in DSLD label 18106.
What else is on the label?
Other ingredients: GELATIN CAPSULE, Microcrystalline Cellulose, Magnesium Stearate, Silica.
How many labels does Hydroxystim have?
2 labels are on file under this name since March 23, 2012: other sizes, label designs and reformulations. The current one leads this page.
- Label 18106 (current) Entered February 25, 2013 · on the market · 100 rapid-release thermo caps · UPC 6 31656 60333 0
- Label 6504 Entered March 23, 2012 · on the market · 110 rapid release caps · UPC 6 31656 60290 6
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 MuscleTech Concentrated Series products.