Mustafa Salih's testosterone reveal claims, fact-checked
Quick answer
The creator presented a total testosterone result of 826 ng/dL measured at age 19, which falls within the normal adult male reference range of 300 to 1000 ng/dL but does not constitute a clinically elevated or supraphysiological value. No free testosterone, SHBG, or LH values were shown, which limits any meaningful clinical interpretation of the result. This video does not involve TRT or any treatment claim, but it circulates in a space where testosterone numbers are increasingly used by young men to self-assess hormonal health without full context.
Our take · Written by FormBlends editorial team · Reviewed by FormBlends Medical Team· This is not a transcript. It is our independent review of the video above.
What did @mustafasalih_ actually say?
The creator shared blood work from Boston Vitality showing a testosterone level of 826 ng/dL at age 19, taken about two years ago. He claimed "the average is pretty sure at 600" and concluded his levels are "way higher than average," framing this as evidence he is "more manly." He was responding to comments suggesting he has low or "negative" testosterone.
To be fair, he was not making a medical claim in any serious sense. This was a social media clap-back at trolls. But the numbers are real, and the interpretation he offered is only partially right, so it is worth unpacking what 826 ng/dL actually means for a 19-year-old male.
Does the science back this up?
His testosterone level is above average, but not dramatically so. He pegged the average at roughly 600 ng/dL, which is a reasonable ballpark for adult men, but age matters significantly here, and most reference ranges for young men his age run higher than the general adult population average.
The Endocrine Society and most clinical labs use a normal range of approximately 300 to 1000 ng/dL for adult males. The average for men aged 19 to 39 specifically tends to sit closer to 630 to 700 ng/dL depending on assay and population. Travison et al. (2017, Journal of Clinical Endocrinology and Metabolism) found mean testosterone in younger adult males around 669 ng/dL using harmonized reference ranges. By that measure, 826 ng/dL is above average, but it sits comfortably within the normal range, not at the ceiling. It is not a remarkable outlier for a healthy 19-year-old.
Testosterone also peaks in the late teens to early twenties, so comparing his result against the general adult male average, which includes men in their 50s and 60s, inflates how "above average" he looks.
What did they get wrong (or right)?
He got the directional claim right: 826 ng/dL is above the midpoint for adult males. Credit where it is due. But the framing overstates the significance. Saying he is "way higher than average" implies a meaningful gap that the data does not fully support for his specific age group.
More importantly, the claim that higher testosterone means being "more manly" collapses a complicated endocrine reality into a simple social point. Testosterone within the normal range does not linearly predict physical characteristics, behavior, or anything resembling cultural masculinity. Bhasin et al. (2001, New England Journal of Medicine) demonstrated that muscle mass and strength differences between men only became statistically significant at supraphysiological levels, well above what natural variation produces. Within the normal range, the differences are modest.
He also did not mention that testosterone levels fluctuate significantly by time of day, sleep quality, stress, and even the season. A single morning reading is a snapshot, not a fixed biological identity.
What should you actually know?
If you are considering getting your testosterone tested because of content like this, here is what actually matters. A single total testosterone measurement tells you relatively little without free testosterone, sex hormone-binding globulin (SHBG), and luteinizing hormone (LH) values alongside it. Two separate readings on different days are recommended before any clinical decision is made, per Endocrine Society guidelines (Bhasin et al., 2018).
Normal testosterone does not require intervention. The entire premise of TRT is to treat documented hypogonadism with symptoms, not to optimize numbers that are already in range. If your levels are in range and you feel fine, there is no established clinical rationale for treatment.
It is also worth noting that 826 ng/dL, while healthy, is not the kind of number that explains dramatic physique differences between people. Training volume, diet, sleep, and genetics do most of that work in the normal hormonal range.
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Cardiovascular Safety of Testosterone-Replacement Therapy
TRAVERSE trial anchor for cardiovascular-safety discussions in appropriately diagnosed men.
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Testosterone therapy in men with androgen deficiency syndromes: an Endocrine Society clinical practice guideline
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Core review for NAD+ decline, mitochondrial function, DNA repair, and aging biology.
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Nicotinamide mononucleotide increases muscle insulin sensitivity in prediabetic women
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The creator presented a total testosterone result of 826 ng/dL measured at age 19, which falls within the normal adult male reference range of 300 to 1000 ng/dL but does not constitute a clinically elevated or supraphysiological value.
FormBlends verdict
The creator presented a total testosterone result of 826 ng/dL measured at age 19, which falls within the normal adult male reference range of 300 to 1000 ng/dL but does not constitute a clinically elevated or supraphysiological value. No free testosterone, SHBG, or LH values were shown, which limits any meaningful clinical interpretation of the result. This video does not involve TRT or any treatment claim, but it circulates in a space where testosterone numbers are increasingly used by young men to self-assess hormonal health without full context.
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What it helps with
- The creator presented a total testosterone result of 826 ng/dL measured at age 19, which falls within the normal adult male reference range of 300 to 1000 ng/dL but does not constitute a clinically elevated or supraphysiological value. No free testosterone, SHBG, or LH values were shown, which limits any meaningful clinical interpretation of the result. This video does not involve TRT or any treatment claim, but it circulates in a space where testosterone numbers are increasingly used by young men to self-assess hormonal health without full context.
- 826 ng/dL falls within the standard adult male reference range of 300 to 1000 ng/dL and is not clinically elevated.
- For men aged 19 to 39, mean testosterone is approximately 630 to 700 ng/dL per Travison et al. (2017, JCEM), making 826 ng/dL above average but not exceptional for his age group.
What it may miss
- It may not cover eligibility, contraindications, medication interactions, lab history, or dose escalation.
- Compound access, legal status, and product quality still need a separate safety check.
- Social video captions rarely show the full evidence base behind a claim.
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Compare the claim against a FormBlends guide, safety page, and licensed-provider review before acting.
Start provider reviewWhat You'll Learn
- 826 ng/dL falls within the standard adult male reference range of 300 to 1000 ng/dL and is not clinically elevated.
- For men aged 19 to 39, mean testosterone is approximately 630 to 700 ng/dL per Travison et al. (2017, JCEM), making 826 ng/dL above average but not exceptional for his age group.
- Testosterone peaks naturally in late adolescence and early adulthood, so comparing a 19-year-old's result to a general adult average skews how 'above average' it appears.
- A single total testosterone reading is insufficient for clinical interpretation without free testosterone, SHBG, and LH values, per Endocrine Society guidelines (Bhasin et al., 2018).
- Bhasin et al. (2001, NEJM) showed that muscle mass and strength differences tied to testosterone only emerge clearly at supraphysiological levels, not within the normal hormonal range.
- Testosterone levels fluctuate by time of day, sleep quality, and stress, meaning one data point does not define a person's baseline hormonal status.
- TRT is indicated for documented hypogonadism with clinical symptoms, not for optimizing numbers that already fall within the normal reference range.
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About the Creator
Mustafa Salih · TikTok creator
61.0K views on this video
Replying to @47ghx #greenscreen testosterone reveal… #foryoupage
Sources & references
Citations extracted from our medical team's review. Click any citation to search PubMed.
Read More on This Topic
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Not medical advice. This video was made by Mustafa Salih, not by FormBlends. Our write-up above is an editorial review, not a medical recommendation. Talk to your doctor before making any decisions about medications or treatments.