"Guys tell me they feel a little anxious, which is completely new," says McDevitt. "The main things I hear are patients saying they’re not sleeping well, their brain feels foggy, and their stamina is down. "Honestly, a low libido is one of the least heard symptoms," McDevitt says. In that case, your doctor may prescribe an aromatase inhibitor like anastrozole or TRT. This, in turn, makes their male hormones, also known as androgens, somewhat higher. According to the AUA, low testosterone for adult males who don’t have obesity is below 300 ng/dL. Research suggests that females produce three times more testosterone than estrogen before menopause. To learn more about our collection, use, and sharing of data, please see our Privacy Policy. Dr. James R. Staheli is the Medical Director for Broad Health, Hone Health’s affiliated medical practice and a family medicine doctor in Atlanta, Georgia. Testosterone levels begin to decline when you reach your mid-thirties, and drop further as you age. There are natural, non-pharmaceutical compounds with strong human evidence showing meaningful increases in testosterone, libido, strength, and body composition—in some men, approaching outcomes previously thought achievable only with TRT. Aim for 7-8 hours of quality sleep to promote healthy testosterone levels and overall vitality. Frequent BPA exposure over six months is linked to a significant drop in testosterone levels. Be cautious when storing food in plastic containers, as Bisphenol-A (BPA), found in some plastics, cans, and food packaging, disrupts hormones and inhibits testosterone production. Chronic heavy drinking can lead to testicular shrinkage, hair loss, and increased estrogen levels, causing breast tissue enlargement. So, if you’re wondering, "What are good total testosterone levels by age, these figures should answer that question. Because the adequate level varies by age, doctors commonly get questions from patients, like "What should a 40-year-old male’s testosterone level be? The following tables outline female and male average testosterone levels by age in chart format. Beyond its physical effects, testosterone influences mood, energy levels, and libido. Symptoms of hypoandrogenism include erectile dysfunction and low libido. By getting tested and sharing your results, you and your healthcare provider can understand the cause of your symptoms and identify next steps based on your specific medical situation. Hormone imbalances can only be diagnosed by a healthcare professional based on your symptoms and history. In females, the role of testosterone is only partially understood, but it helps produce estrogen and may help regulate how eggs develop in the ovaries. If at any time you feel like you are having a medical emergency, please call 9-1-1. Our COVID-19 Active Infection test may be right for you, click here to learn more. In our 2026 roundup, Nugenix isn’t junk—plenty swear by the vitality kick—but subscription traps and shaky fenugreek claims make it risky. ? Boron and Zinc – A 2011 Hormone and Metabolic Research trial showed boron ups free T in deficient men, while zinc prevents drops (1996 Nutrition study)—but proprietary obscuring risks inefficacy. Nugenix’s core revolves around Testofen (fenugreek extract) and supporting elements, with research showing potential but far from unanimous acclaim. It’s a solid mid-tier option for short-term use, but the business side feels shady, making it less trustworthy than cleaner alternatives. However, it’s bogged down by aggressive marketing via paid celebrity endorsements (think Frank Thomas and Doug Flutie), inconsistent T-boosts in studies, and a subscription model that’s sparked widespread "scam" accusations for hard-to-cancel auto-ships and surprise charges. The only real risk here isn’t trying Adaptophen — it’s continuing to guess while testosterone decline quietly compounds. ✅ Skyrockets total and free testosterone✅ Crushes cortisol and stress✅ Fuels muscle growth and rapid recovery✅ Amps energy, endurance, and focus✅ Balances sleep, mood, and hormones ? Fenugreek – A 2016 Phytotherapy Research trial showed 600mg improved libido and bench press, but minimal free T changes; inconsistent per a 2021 Advances in Nutrition review. ✔ A 2023 International Journal of Medical and Pharmaceutical Research study linked 300mg daily to T-rises and muscle recovery in strength trainers.✔ A 2019 Journal of the International Society of Sports Nutrition meta-analysis confirmed cortisol cuts and modest T-boosts (up to 15%) in stressed adults. TestoPrime’s formula hinges on 12 natural ingredients, with research offering glimmers of support for energy and stress relief but conflicting data on actual testosterone spikes. In our broad supplement roundup, Mars Men isn’t the worst offender—it’s got real users swearing by it—but the subscription model and variability make it a gamble. Side effects like bloating or no energy lift appear in Yelp-style rants, though many report improved sleep and mood. Dr. Brian’s 2025 YouTube analysis gave Mars Men a "C," noting mild libido perks but no reliable gym gains. Abnormal testosterone during puberty can affect the onset and course of male puberty. Males are more likely to experience symptoms from low testosterone levels, while females are more likely to have negative effects from high testosterone levels. In males, testosterone levels drop by 100 ng/dL every 10 years, starting around age 30, which is a 1-2% drop each year. As puberty approaches, testosterone levels rise significantly in people assigned male at birth. Get expert tips on hormones, weight loss, and longevity delivered to your inbox. Your free testosterone levels and, crucially, how you feel are just as important. This explains why two men with the exact same total T can feel worlds apart. To really get what's going on, you have to look past the total number and dig into Free Testosterone and SHBG (Sex Hormone-Binding Globulin). Getting your lab report back can feel like trying to decipher a secret code.