1 Product identity

Ingredient risk

2 ingredients to use with caution

Hydroxystim

Name: Hydroxystim
Brand: MuscleTech Concentrated Series

BrandMuscleTech Concentrated Series→Other Combinations Capsule 12 ingredients 2 caution DSLD #18106

Net contents: 100 Rapid-Release Thermo Cap(s)

Target: Adults and Children 4 years and above

DSLD entry: 2013-02-25

2 Ingredients (12)

IngredientGroupSafety

Caffeine AnhydrousCaffeineUse with Caution

Coleus extractColeus—

Yohimbe extractYohimbe—

YohimbineYohimbine—

RauwolscineRauwolscine—

L-TheanineTheanine—

Deanol BitartrateDeanol—

Huperzine extractChinese Club Moss—

GELATIN CAPSULEcapsule—

Microcrystalline CelluloseCellulose—

Magnesium StearateMagnesium stearateUse with Caution

SilicaSiliconGenerally Safe

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

Caffeine (Anhydrous) 🇬🇧 🇪🇺 🇦🇺 — High caffeine warnings mandatory on products >150 mg/L.

Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].

3 Safety cross-reference

Caffeine (Anhydrous) — Use with Caution

L-Theanine — Limited Evidence

⚠ May enhance sedatives

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Silicon — Generally Safe

⚠ Very low toxicity

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID18106

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2013-02-25

6 More from MuscleTech Concentrated Series

View MuscleTech Concentrated Series Safety Scorecard → 7 products

Alphatest HydroxyStim Nanostim Neurocore Blue Raspberry Neurocore Fruit Punch Neurocore Grape

7 Cite this page

Vancouver

Pkhakadze G. Hydroxystim — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Oct 19]. Available from: https://supplement.ge/products/dsld-18106/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

Analyzed by SupplementIndex

PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD

Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG