@socalurologyinstitute's HCG dosing claims, fact-checked

What did @socalurologyinstitute actually say?

The creator laid out a straightforward HCG primer: it's dosed in international units, not milligrams, a standard Pregnyl vial is 10,000 IU reconstituted in 10 mL water, and the typical starting dose is "a half CC or 500 international units twice a week subcutaneous." They also said that men trying to restart fertility after years on testosterone may need significantly higher doses, potentially "a thousand IU's two, three, four times a week."

This is a urology practice account, and the framing is clinical and mostly measured. They're not selling a stack or promising miracles. They're walking through a dosing protocol that practicing urologists and endocrinologists actually use. That context matters when evaluating what they got right and where the gaps are.

Does the science back this up?

Broadly, yes. The 500 IU twice-weekly figure has real support in the literature, and the reconstitution math is accurate. But the evidence base for HCG in TRT is thinner and messier than the confident delivery might suggest.

A 2005 randomized controlled trial by Coviello et al. in the Journal of Clinical Endocrinology and Metabolism found that 125 IU every other day maintained intratesticular testosterone and testicular volume in men on exogenous testosterone. That's roughly 437 IU per week, close to but not identical to the 1,000 IU per week the creator recommends as a starting point. A later study by Hsieh et al. (2013, Fertility and Sterility) confirmed that low-dose HCG can preserve spermatogenesis during TRT. The "fertility restart" doses the creator describes, ranging up to several thousand IU per week, are consistent with clinical practice guidelines from the American Urological Association and the Endocrine Society, though the evidence there is largely observational, not from large controlled trials.

What did they get wrong (or right)?

The reconstitution example and unit explanation are correct and genuinely useful for patients who've never handled lyophilized medications. Getting this wrong at home leads to dangerous dosing errors, so credit where it's due.

The bigger issue is the phrase "no exact dosage" in the context of fertility restart protocols. That's accurate as far as it goes, but it undersells how variable outcomes actually are. Research by Ramasamy et al. (2015, Journal of Urology) showed that sperm recovery after long-term testosterone use is inconsistent and sometimes incomplete even with aggressive HCG protocols. Recovery timelines ranged from months to over two years, and some men did not recover meaningful sperm counts at all. The video implies a dose adjustment fixes the problem. The data suggests it's more complicated than that.

The claim that HCG prevents testicular shrinkage during TRT is accurate in mechanism but the degree of benefit varies considerably between individuals.

What should you actually know?

A few things the video didn't say that you should factor in before acting on any of this.

• Pregnyl and compounded HCG are not interchangeable in regulatory or clinical terms. The FDA removed compounded HCG from the market for a period specifically because it was considered a copy of an approved drug. Availability and formulation have shifted, and your pharmacy matters.
• HCG is an LH analog. It does not directly replace testosterone; it stimulates Leydig cells to produce it. In men with primary hypogonadism, where the testes themselves are the problem, HCG has limited utility.
• High-dose HCG over long periods can desensitize Leydig cell receptors. A 2020 review by Tatem et al. in Translational Andrology and Urology flagged this as a real clinical concern, particularly relevant to the higher doses discussed for fertility restart.
• If fertility preservation matters to you, sperm banking before starting TRT is still the most evidence-backed option. HCG helps, but it is not a guaranteed substitute for banking.

The video is a reasonable orientation to HCG basics. It is not a substitute for an individual workup with a reproductive urologist or endocrinologist who can assess your specific hormonal baseline and fertility goals.