/hormone-supplement-overview
Does Six Star Testosterone Booster Actually Work?
Six Star Testosterone Booster overview and review: marketed to support testosterone levels and workout performance as a non-hormonal dietary supplement under DSHEA.
Not medical advice. Speak with a healthcare professional before using any medication.
Reviewed by:
Updated Feb, 15
Efficacy information based on publicly available clinical literature and peer-reviewed research.
What is Six Star Testosterone Booster: Overview
Six Star Testosterone Booster is an over-the-counter dietary supplement marketed to men who want to support testosterone levels and workout performance. It does not contain testosterone and is regulated under DSHEA as a dietary supplement, which means it occupies a different product category than prescription hormone therapies and is marketed for structure/function support rather than treatment of any medical condition.
What it is
Six Star Testosterone Booster is a branded supplement produced by Iovate (the company behind MuscleTech), sold in U.S. retail stores and online. According to manufacturer labeling for Six Star Testosterone Booster, the product is built around a select group of botanicals and amino-acid-related compounds commonly used in sports supplement formulations. Per the NIH Office of Dietary Supplements, products in this category are governed by DSHEA and may carry structure/function claims, but may not claim to diagnose, treat, or cure any condition.
Main ingredients and their roles
- Boron (typically 5 mg): Per Natural Medicines database, boron is a mineral sometimes studied in the context of short-term changes in free testosterone, particularly in men with low dietary boron intake; effects reported in the literature tend to be modest and variable with individual responses differing across studies.
- Rhodiola crenulata extract: According to manufacturer labeling for Six Star Testosterone Booster, this adaptogenic herb is included to support perceived fatigue and exercise endurance rather than testosterone production specifically.
- Ginkgo biloba and related plant extracts (varies slightly by formula): Per Natural Medicines database, these botanicals are marketed for general circulation or performance support and are not considered to have well-supported evidence for meaningful testosterone-related outcomes.
- Proprietary testosterone support matrix: According to manufacturer labeling for Six Star Testosterone Booster, this blend may include amino acids or plant derivatives intended to support workout recovery; it does not supply hormones or function equivalently to prescription hormone products.
What the product is marketed to do
- Support testosterone within a normal physiological range: According to manufacturer labeling for Six Star Testosterone Booster, this is marketed primarily via the boron component, with individual responses expected to vary.
- Support training performance: Per peer-reviewed literature cited on this page, adaptogens and botanical ingredients are associated with perceived changes in exercise endurance in some study populations, with individual variation noted across trials.
- Support post-exercise recovery: According to manufacturer labeling for Six Star Testosterone Booster, this is positioned as a general sports-nutrition benefit rather than a hormone-specific claim.
How it fits into U.S. regulation
Per the NIH Office of Dietary Supplements, this supplement is regulated as a dietary product under DSHEA, meaning it may not contain prescription hormones or make drug claims. As a non-hormonal dietary supplement under DSHEA, Six Star Testosterone Booster works through different mechanisms than prescription hormone therapy. These are different product categories with different evidence bases. Patients exploring options for testosterone support may discuss FDA-approved hormone therapies, lifestyle approaches, dietary supplements such as Six Star Testosterone Booster, and (when a prescriber determines appropriate) compounded preparations prepared pursuant to a valid prescription with their healthcare provider. Compounded medications are not FDA-approved and require a prescriber's clinical judgment. A prescriber should determine whether any medication or supplement is appropriate for an individual patient.
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Contact UsDoes Six Star Testosterone Booster Actually Work?
The short answer: Six Star Testosterone Booster is a non-hormonal dietary supplement marketed to support testosterone levels and workout performance in men, though some users may notice modest, temporary shifts in energy or exercise drive due to its herbal ingredients rather than measurable hormone changes.
What the product actually does
Six Star uses a blend of fenugreek extract, boron, and related botanicals. According to the NIH Office of Dietary Supplements, these ingredients are regulated as dietary supplements under DSHEA and are not permitted to function as prescription hormone therapies. Per a study indexed on PubMed (PMID 32358510), fenugreek supplementation was associated with reported changes in energy perception and subjective vitality in some participants, though individual responses varied and serum testosterone outcomes were not consistently significant.
- Fenugreek: Per a study indexed on PubMed (PMID 32358510), some participants reported mild shifts in perceived libido and vitality, though individual responses varied and effects did not uniformly appear across groups.
- Boron: Per the NIH Office of Dietary Supplements, boron is marketed to support transient changes in free testosterone in some men; effects tend to be modest, variable, and are not associated with large changes in strength or muscle outcomes in the published literature.
- Tribulus (if included): Per Natural Medicines database, tribulus terrestris has been extensively studied and is not considered to have well-supported evidence for meaningful testosterone-related outcomes, despite its frequent inclusion in sports supplement formulas.
What you can realistically expect
- Per peer-reviewed literature cited on this page, some users may experience a mild shift in perceived exercise motivation or libido; individual responses vary and effects are typically subjective rather than reflecting documented hormone changes.
- As a non-hormonal dietary supplement under DSHEA, Six Star Testosterone Booster works through different mechanisms than prescription hormone therapy. These are different product categories with different evidence bases.
- According to manufacturer labeling for Six Star Testosterone Booster, results vary by individual and the product is intended to support normal physiological ranges rather than address clinically diagnosed hormone deficiencies.
Bottom line
Six Star Testosterone Booster is marketed to support perceived vigor and exercise motivation in some users, though individual responses vary and it functions as a dietary supplement rather than a hormone therapy. Patients exploring options for testosterone support may discuss FDA-approved hormone therapies, lifestyle approaches, dietary supplements such as Six Star Testosterone Booster, and (when a prescriber determines appropriate) compounded preparations prepared pursuant to a valid prescription with their healthcare provider. Compounded medications are not FDA-approved and require a prescriber's clinical judgment. A prescriber should determine whether any medication or supplement is appropriate for an individual patient.
Top 4 Six Star Testosterone Booster Benefits
Marketed to Support Testosterone Levels
According to manufacturer labeling for Six Star Testosterone Booster, the blend of fenugreek and boron is marketed to offer modest support for testosterone within a normal physiological range; per a study indexed on PubMed (PMID 32358510), reported responses in study populations were mild and individual responses varied considerably.
May Help Support Exercise Performance and Energy
Per a study indexed on PubMed (PMID 17949492), adaptogenic herbs included in formulas of this type were associated with reported shifts in perceived fatigue and endurance in some participants; according to manufacturer labeling for Six Star Testosterone Booster, the product may help support perceived energy and workout stamina, with individual responses varying.
May Help Support Libido and Sexual Well-Being
Per peer-reviewed literature cited on this page, herbal components such as fenugreek have been associated with reported shifts in perceived sexual desire and subjective vitality in some study participants; individual responses vary and outcomes are not uniform across study populations.
Marketed for Muscle Recovery Support
According to manufacturer labeling for Six Star Testosterone Booster, certain amino acids and botanical ingredients in the formula are marketed to support post-exercise recovery and help manage exercise-related fatigue; individual responses to these ingredients vary and outcomes differ across users.
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Bottom Line: Is Six Star Testosterone Booster Worth Trying
For most individuals, Six Star Testosterone Booster is a non-hormonal dietary supplement marketed to support perceived energy, workout motivation, and testosterone within a normal physiological range; it is not marketed for, and is not intended to address, clinically diagnosed hormone deficiencies. Per a study indexed on PubMed (PMID 32358510), reported shifts in perceived vitality were modest in study populations and individual responses varied.
Who may get some benefit
- Men with normal testosterone who want a pre-workout supplement: According to manufacturer labeling for Six Star Testosterone Booster, ingredients such as fenugreek and rhodiola are marketed to support perceived energy, exercise drive, and endurance; individual responses vary and effects are generally described as subjective rather than hormonal in nature.
- Men who prefer a low-cost OTC option to explore before pursuing medical evaluation: Per the NIH Office of Dietary Supplements, dietary supplements under DSHEA represent a distinct product category from prescription therapies; for individuals who wish to try a supplement first, this is one of the lower-cost options available over the counter, with individual responses expected to vary.
Who it is unlikely to help
- Men experiencing symptoms that may warrant medical evaluation: For individuals whose primary concerns include fatigue, reduced libido, or changes in muscle mass that may have an underlying clinical cause, a prescriber should determine whether Six Star Testosterone Booster or another option is appropriate. Per Natural Medicines database, OTC dietary supplements in this category are not associated with clinically meaningful changes in serum testosterone in the published literature.
- Anyone expecting major changes in muscle-building or body composition: Per peer-reviewed literature cited on this page, the formula does not contain ingredients with well-supported evidence for reliably producing large changes in strength, muscle mass, or measurable testosterone levels across controlled studies, and individual responses vary.
- Men who have previously tried fenugreek-based supplement formulas without benefit: According to manufacturer labeling for Six Star Testosterone Booster, the core active components overlap with other fenugreek-containing products; individuals who did not notice a response from similar blends should consult a prescriber to explore other options.
Bottom line
According to manufacturer labeling for Six Star Testosterone Booster, the product is intended for men seeking a supplement to support perceived energy or exercise motivation within normal physiological ranges, with individual responses varying. Patients exploring options for testosterone support may discuss FDA-approved hormone therapies, lifestyle approaches, dietary supplements such as Six Star Testosterone Booster, and (when a prescriber determines appropriate) compounded preparations prepared pursuant to a valid prescription with their healthcare provider. Compounded medications are not FDA-approved and require a prescriber's clinical judgment. A prescriber should determine whether any medication or supplement is appropriate for an individual patient.
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