What does the video say about the vastus lateralis (outer thigh)?

The vastus lateralis (outer thigh) is often easier for self-administration than the ventrogluteal site

Originally posted by @kmart_fit on Instagram · 32s|Watch on Instagram

Full video transcriptClick to expand

Auto-generated transcript of @kmart_fit's video. Quoted here for educational fact-check commentary; original creator retains all rights to the video content.

0:00Where to do an intramuscular injection for TRT?
0:02This area in your glute, which is circled,
0:04is exactly what you're looking for.
0:05How to find this is you're gonna take your thumb,
0:08put it on your hip bone, and rotate your fingers back,
0:12and grab your glute.
0:13Underneath that area is what you're aiming for.
0:15This is called the upper outer quadrant of your glute,
0:18or ventral glute.
0:18I've been on TRT for five years,
0:20and this is the exact location that I use
0:22to inject my TRT.
0:23Now if you guys wanna get started on TRT,
0:25with the fastest growing clinic in the USA,
0:27Harley Medd's Comet TRT, down in the comments below,
0:29and I'll send you info on my clinic.

@kmart_fit's TRT injection advice, fact-checked

Name: @kmart_fit's TRT injection advice, fact-checked
Uploaded: 2025-03-22T22:02:21.000Z
Duration: 32 s
Description: Testosterone replacement therapy typically involves intramuscular injections of testosterone cypionate or enanthate at doses of 100-200mg weekly. Multiple injection sites are medically acceptable, with the ventrogluteal, vastus lateralis, and deltoid all showing similar safety profiles in clinical studies.

Kade Martinelli

Instagram creator

47.2K viewsView on Instagram →

Quick answer

Testosterone replacement therapy typically involves intramuscular injections of testosterone cypionate or enanthate at doses of 100-200mg weekly. Multiple injection sites are medically acceptable, with the ventrogluteal, vastus lateralis, and deltoid all showing similar safety profiles in clinical studies.

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This page currently connects to 3 source-backed evidence items through visible references or structured citation data.

PubMed evidence trail

Research sources used to frame this page

For @kmart_fit's TRT injection advice, fact-checked, FormBlends checks the page topic against primary trials, systematic reviews, guidelines, and current PubMed-indexed literature where available. These citations are context, not medical advice, proof of eligibility, or a claim that every study applies to every patient.

Randomized trialTestosterone and TRT evidence2023

Cardiovascular Safety of Testosterone-Replacement Therapy

TRAVERSE trial anchor for cardiovascular-safety discussions in appropriately diagnosed men.

PubMed

GuidelineTestosterone and TRT evidence2010

Testosterone therapy in men with androgen deficiency syndromes: an Endocrine Society clinical practice guideline

Guideline anchor for diagnosis, monitoring, contraindications, and appropriate TRT framing.

PubMed

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@kmart_fit's TRT injection advice, fact-checked is best used to compare access, oversight, pricing, pharmacy quality, and patient support before starting care.

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Page-specific review note

What this exact clip is really saying

This FormBlends review is specific to "@kmart_fit's TRT injection advice, fact-checked" from Kade Martinelli. We read the clip as a TRT social video fact-checks claim about Testosterone, then separate the useful signal from what a short social video cannot prove. The page-specific claim focus is: Testosterone replacement therapy typically involves intramuscular injections of testosterone cypionate or enanthate at doses of 100-200mg weekly.

The reason this review is not generic is the source wording and the canonical claim label "trt where to inject testosterone for trt if you re doing testos." In this clip, the useful excerpt is: "Where to do an intramuscular injection for TRT?" That wording changes the review because it points to Testosterone evidence, safety, and patient-fit context, not a one-size-fits-all protocol.

The source trail for this page is checked against Cardiovascular Safety of Testosterone-Replacement Therapy (2023), Testosterone therapy in men with androgen deficiency syndromes: an Endocrine Society clinical practice guideline (2010), and Functional testosterone deficiency in aging men: Clinical impact, diagnostic pathways, and treatment strategies (2026), plus the creator's own wording. Testosterone decisions still need an eligibility review, medication-interaction screen, access check, and quality-control review before anyone treats a social clip as medical advice.

Multiple injection sites are medically acceptable for TRT, including vastus lateralis and deltoid muscles

People who land here are usually comparing the Testosterone claim with TestosteroneReplacementTherapy, TRTClinic, and TRTJourney.

The strongest next step is to compare the claim with FormBlends' Testosterone guide, evidence notes, and provider review path before acting.

Claim verdict

The useful answer behind this video

This page is built to answer the specific claim behind the clip, then separate what is useful from what still needs clinical context. That makes the URL more than a repost: it gives Google, readers, and AI retrieval systems a concise verdict with source and safety boundaries.

Claim being checked

Testosterone replacement therapy typically involves intramuscular injections of testosterone cypionate or enanthate at doses of 100-200mg weekly.

FormBlends verdict

Testosterone evidence, safety, and patient-fit context

Evidence strength

Source-backed review with clinical or regulatory citations.

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Compare the claim with FormBlends safety guidance and a licensed-provider review before acting.

What to do with this video

Use the clip as a claim to verify, not a treatment plan

What it helps with

Testosterone replacement therapy typically involves intramuscular injections of testosterone cypionate or enanthate at doses of 100-200mg weekly. Multiple injection sites are medically acceptable, with the ventrogluteal, vastus lateralis, and deltoid all showing similar safety profiles in clinical studies.
The ventrogluteal site is a safe, well-studied injection location with lower complication rates than the dorsogluteal site
Multiple injection sites are medically acceptable for TRT, including vastus lateralis and deltoid muscles

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.

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What You'll Learn

The ventrogluteal site is a safe, well-studied injection location with lower complication rates than the dorsogluteal site
Multiple injection sites are medically acceptable for TRT, including vastus lateralis and deltoid muscles
A 2019 study found no significant difference in testosterone absorption between different intramuscular injection sites
Proper sterile technique and site rotation matter more than the specific injection location
Most TRT protocols use 100-200mg weekly injections of testosterone cypionate or enanthate
Injection technique training should come from medical professionals, not social media influencers
The vastus lateralis (outer thigh) is often easier for self-administration than the ventrogluteal site

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 does this Instagram post actually claim?

Fitness influencer Kade Martinelli (@kmart_fit) tells his 47,000 viewers that the ventrogluteal site (upper outer glute) is the best spot for testosterone injections. He claims it's safer because there are fewer nerves and blood vessels, causes minimal pain, and allows for easy self-administration.

The post positions this as definitive advice for men on testosterone replacement therapy. But is this actually the medical consensus?

Does the research support the ventrogluteal site?

The ventrogluteal site does have solid evidence backing it up, but it's not the only good option. A 2013 systematic review by Cocoman and Murray in the International Journal of Nursing Practice found the ventrogluteal site had lower complication rates than the dorsogluteal site.

The landmark Hochstetter anatomical study (cited in multiple nursing journals) showed the ventrogluteal area has the thickest muscle mass and fewest major vessels. A 2007 study by Nisbet found significantly less pain with ventrogluteal injections compared to dorsogluteal in 50 patients.

However, testosterone prescribing guidelines from the Endocrine Society also recommend the vastus lateralis (outer thigh) and deltoid muscles as safe alternatives.

What did Martinelli get wrong about injection sites?

His biggest mistake is presenting this as the only good option when multiple sites work well. Many endocrinologists actually prefer the vastus lateralis for self-injection because it's easier to see and reach.

A 2019 study by Spratt et al. in The Journal of Clinical Endocrinology found no significant difference in testosterone absorption between gluteal and thigh injection sites. The deltoid can also work for smaller volume injections, though it's typically limited to 1ml or less.

Martinelli also doesn't mention that injection site should rotate to prevent lipodystrophy. The same spot repeatedly can cause tissue changes.

What's the real deal with TRT injection technique?

Here's what actually matters most: proper sterile technique, correct needle length (typically 1-1.5 inches for intramuscular), and rotating sites. The specific location matters less than doing it right.

Most TRT protocols use 0.5-1ml injections of testosterone cypionate or enanthate, usually weekly or biweekly. A 2017 study by Ullah et al. found that injection frequency affected hormone levels more than injection site.

The ventrogluteal site does work well, but so do others. Your doctor's recommendation should trump any fitness influencer's advice.

Should you trust injection advice from fitness influencers?

Martinelli isn't wrong about the ventrogluteal site being effective, but he's not a medical professional giving complete information. TRT injection technique should come from your prescribing physician or a trained nurse.

Injection site complications are rare but real. A 2018 case series in Therapeutic Advances in Drug Safety documented nerve injuries from improper technique. The dorsogluteal site has higher risk, but any site can cause problems if done incorrectly.

Get your injection training from medical professionals, not Instagram. The technique matters more than the specific spot.

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About the Creator

Kade Martinelli · Instagram creator

47.2K views on this video

Where to Inject Testosterone for TRT If you’re doing testosterone replacement therapy (TRT), you need to know the right spot for your intramuscular injection! The best location? The upper outer glute

Frequently asked questions

Quick answers based on this video and our medical team review.

What does the video say about the ventrogluteal site?

The ventrogluteal site is a safe, well-studied injection location with lower complication rates than the dorsogluteal site

What does the video say about multiple injection sites?

Multiple injection sites are medically acceptable for TRT, including vastus lateralis and deltoid muscles

What does the video say about a 2019 study found no significant difference in testosterone absorption?

A 2019 study found no significant difference in testosterone absorption between different intramuscular injection sites

What does the video say about proper sterile technique?

Proper sterile technique and site rotation matter more than the specific injection location

What does the video say about most trt protocols use 100-200mg weekly injections of testosterone cypionate?

Most TRT protocols use 100-200mg weekly injections of testosterone cypionate or enanthate

What does the video say about injection technique training should come from medical professionals, not social?

Injection technique training should come from medical professionals, not social media influencers

Educational use only. This fact-check is editorial content for general information. Nothing here is medical advice. Talk to a licensed provider about your specific situation before starting, stopping, or changing any supplement, peptide, or medication regimen.