I’m going to start with something most men won’t say out loud.
At some point — maybe gradually, maybe all at once — something shifts. You’re tired in a way that sleep doesn’t fix. You’ve lost the drive you used to have, in the gym, at work, and in your relationship. Your body composition is changing despite the fact that you haven’t changed much about how you eat or exercise. You’re more irritable than you want to be. Your libido has dropped. And somewhere in the back of your mind, you’ve wondered if something is actually wrong — but you haven’t brought it up with anyone because you’re not sure how to start that conversation, or because you’ve been told it’s just part of getting older.
It’s not just part of getting older. Or at least, it doesn’t have to be.
Low testosterone is one of the most underdiagnosed and undertreated conditions in men’s health. I see it in my practice regularly — men in their 30s, 40s, and 50s who have been living with symptoms for years without anyone connecting the dots. My goal with this post is to give you a clear picture of what low T actually looks like, what treatment involves, and why getting the right care from someone who genuinely understands hormone optimization changes everything.
Testosterone isn’t just the “sex hormone.” It’s a foundational hormone that touches virtually every system in the male body.
It regulates muscle mass and strength, bone density, red blood cell production, fat distribution, mood and cognitive function, energy levels, libido, and sexual function. It influences how you recover from exercise, how you handle stress, how clearly you think, and how you feel about life in general.
When levels drop — whether due to age, lifestyle factors, or underlying health conditions — the effects are felt across all of those systems simultaneously. That’s why low T doesn’t feel like one thing. It feels like everything is slightly off.
Low testosterone doesn’t announce itself clearly. It tends to creep in slowly, which is part of why so many men attribute it to stress, poor sleep, or just “getting older.” Here’s what it actually looks like:
Physical symptoms:
Sexual symptoms:
Cognitive and emotional symptoms:
Metabolic symptoms:
The reason this matters is that men often present with one or two of these symptoms and get treated for that symptom in isolation — antidepressants for mood, sleep aids for fatigue, ED medication for sexual dysfunction — without anyone looking at the hormonal picture underneath.
Here’s something I tell every man who comes to me with these symptoms: a “normal” lab result doesn’t mean your testosterone is optimal.
Standard reference ranges for testosterone are broad — typically 300 to 1000 ng/dL depending on the lab. A man with a level of 320 ng/dL is technically “in range.” He is also likely to feel terrible. The range tells you what’s statistically common, not what’s healthy or functional for you as an individual.
What matters is the full picture: total testosterone, free testosterone, SHBG (sex hormone binding globulin), estradiol, LH, FSH, and a comprehensive metabolic panel at minimum. Symptoms matter as much as numbers. A man with a level of 450 ng/dL who feels like a shell of himself needs the same careful evaluation as a man whose number is clearly low.
Testosterone replacement therapy means supplementing testosterone to restore levels to a range where you feel and function well. There are several delivery methods:
Testosterone cypionate or enanthate injections — The most common and most cost-effective method. Typically self-administered weekly or twice weekly. Provides predictable, controllable levels and allows for easy dose adjustment. This is my most frequently used method for the right patient.
Topical gels and creams — Applied daily to the skin. Convenient but require care around transfer to partners or children, and absorption can vary between individuals.
Pellets — Small pellets inserted under the skin in the hip or buttock every 3-5 months. Release testosterone steadily over time, eliminating the need for weekly injections. A good option for men who want a set-it-and-forget-it approach.
Patches — Transdermal delivery, applied daily. Less commonly used but effective for some patients.
The right method depends on your lifestyle, your goals, your response to treatment, and your preference. There’s no one-size-fits-all answer — and anyone who tells you otherwise isn’t providing individualized care.
Good TRT management isn’t just handing you a prescription. There are several important considerations:
Fertility: Exogenous testosterone suppresses the body’s own production via the HPG axis, which can significantly reduce sperm production. For men who want to preserve fertility, this conversation needs to happen before starting treatment. Options like clomiphene citrate or HCG can support natural production while addressing symptoms.
Estradiol management: Testosterone converts to estrogen via aromatase. Some men — particularly those with higher body fat — will see estrogen rise significantly on TRT, causing symptoms like water retention, mood changes, and sexual dysfunction. Monitoring and managing estradiol is an essential part of a well-run TRT protocol.
Hematocrit: Testosterone stimulates red blood cell production. In some men, levels can rise high enough to increase blood viscosity and cardiovascular risk. Regular monitoring and occasional therapeutic phlebotomy keep this in check.
Follow-up labs: Good TRT management includes follow-up labs at 6-8 weeks after initiation or any dose change, and regular monitoring thereafter. Anyone managing your testosterone who isn’t checking your labs regularly isn’t managing you safely.
I’ve been practicing in emergency medicine, urgent care, and now direct primary care and men’s health for years. And I can tell you that testosterone optimization done poorly is worse than not doing it at all.
I’ve seen men come to me after being started on TRT by a clinic that never checked their estradiol, never discussed fertility implications, never monitored their hematocrit, and never adjusted their protocol based on how they were actually feeling. They were given a standard dose, handed a prescription, and told to come back in six months. That’s not care. That’s a transaction.
Good testosterone management requires a provider who knows the full hormonal picture — not just total testosterone, but free T, SHBG, estradiol, and the downstream effects of treatment. It requires follow-up. It requires someone who is reachable when you have a question between appointments. And it requires a relationship — because how you feel on paper and how you feel in real life are not always the same thing, and a provider who doesn’t know you can’t bridge that gap.
At Retro Health, men’s hormone optimization is one of my core clinical focuses. I have the time to do this right. I’m not running you through a fifteen-minute appointment and moving on. We build a protocol together, we adjust it based on your response, and we monitor you properly — not just at the start, but ongoing.
That’s a question I can only answer after a thorough intake and comprehensive labs. TRT isn’t appropriate for every man with low symptoms — there are contraindications, and there are situations where addressing lifestyle factors first makes more sense. There are also men who don’t need TRT but do need optimization of sleep, stress, nutrition, or other hormonal factors that are suppressing their testosterone naturally.
What I can tell you is that if you’ve been living with the symptoms above and haven’t had a thorough hormonal evaluation, you deserve one. Not a cursory total testosterone check, but a real assessment of what’s going on hormonally and what can be done about it.
You shouldn’t have to feel this way. And there are good answers.
Gregory LaFontaine, PA-C is the co-founder and Director of Men’s Health & Wellness at Retro Health & Aesthetics in Worthington, Ohio. He specializes in testosterone optimization, men’s hormone health, and concierge primary care.
