The hypogonadal-obesity-adipocytokine cycle hypothesis. Adipose tissue contains the enzyme aromatase which metabolises testosterone to oestrogen. This results in reduced testosterone levels, which increase the action of lipoprotein lipase and increase fat mass, thus increasing aromatisation of testosterone and completing the cycle. Visceral fat also promotes lower testosterone levels by reducing pituitary LH pulse amplitude via leptin and/or other factors. In vitro studies have shown that leptin also inhibits testosterone production directly at the testes. Visceral adiposity could also provide the link between testosterone and insulin resistance (Jones 2007).
If you think you may have a medical emergency, call your healthcare provider or 911 immediately. Any mention of products or services is not meant as a guarantee, endorsement, or recommendation of the products, services, or companies. Reliance on any information provided is solely at your own risk. Please discuss any options with your healthcare provider.
BSN Evotest the next ranked testosterone booster and is a unique option in that it’s available in both capsule and powdered drink form. For those who dislike swallowing pills, this will be a better route to go. There are mixed reports on the taste quality of the product, however, this is an individual preference and should not be something that deters you from purchasing it. It mixes fairly well by most reports, so is something that you should be able to easily take with you to the gym for use during the workout session.

While researchers in Brisbane, Australia, found that while Testofen (“a standardized [fenugreek] extract and mineral formulation”) significantly improved the sexual arousal, orgasm, and the general quality of life of participants, it did not remarkably increase testosterone above normal levels. Participants who took Testofen were more satisfied with their energy, well-being, and muscle strength than those who took the placebo.

This study [9] also reported significantly increased glutathione levels. Glutathion has been shown to have a synergetic effect with l-citrulline as their combination further increases nitrate and nitrite levels and contributes to the sustained release of NO. While some previous studies have indicated that glutathione stimulates L-arginine turnover and increases nitric oxide synthase (NOS).
Hi Dean, thanks for reaching out bro! While testosterone boosters will help increase your T levels, strength, and libido, you need to make sure you’re eating the right foods and exercising in the right way. What is your current diet and workout plan? Maybe we can help? If you’re serious about getting in shape, a quality testosterone booster can certainly help. If you have a look at our top testosterone booster page, you’ll see TestoFuel is our best choice. If you have any more questions, don’t hesitate to write back! All the best bro, don’t give up, you can do it!
Testosterone is significantly correlated with aggression and competitive behaviour and is directly facilitated by the latter. There are two theories on the role of testosterone in aggression and competition.[81] The first one is the challenge hypothesis which states that testosterone would increase during puberty thus facilitating reproductive and competitive behaviour which would include aggression.[81] Thus it is the challenge of competition among males of the species that facilitates aggression and violence.[81] Studies conducted have found direct correlation between testosterone and dominance especially among the most violent criminals in prison who had the highest testosterone levels.[81] The same research also found fathers (those outside competitive environments) had the lowest testosterone levels compared to other males.[81]
As blood levels of testosterone increase, this feeds back to suppress the production of gonadotrophin-releasing hormone from the hypothalamus which, in turn, suppresses production of luteinising hormone by the pituitary gland. Levels of testosterone begin to fall as a result, so negative feedback decreases and the hypothalamus resumes secretion of gonadotrophin-releasing hormone. 
Started HRT in my early 50’s as I had all the low-T symptoms and Type 2 Diabetes, which was hammering my body. My total T was about 100 (not sure about Free at that point). First started with Androgel, and was getting decent symptomatic improvement, but didn’t like the residue from the cream, and traveling with the creams was a problem. I’ve gone to pellet implants for the past 7 years. Every 4-5 months, very happy with results to date.

My biggest symptom was fatigue. Interestingly, I had and have no problem with erections at all. Granted, I wasn’t getting spontaneous erections like when I was a teenager and into my late 20’s, but that was a good thing as getting an erection whenever and having no way to relieve it can get annoying. Anyway, my biggest concern with low T was/is energy levels and loss of muscle mass.
A: According to the NIH, normal values for testosterone levels in men can range from 300 to 1,200ng/dL. There can be many different causes of low testosterone including age, diseases, accidents, and medications. Symptoms of low testosterone may include: loss of sex drive, erectile dysfunction, depressed mood, and difficulty concentrating. Low testosterone levels may also bring around body changes including: hair loss, decrease in blood cells possibly leading to anemia, fragile bones, and a decrease in muscle mass. There are different testosterone replacement therapies including patches, such as Androderm; gels, such as Androgel and Testim; and injections, such as testosterone cypionate. Only your health care provider can decide if and what kind of testosterone replacement therapy is appropriate for you. Testosterone replacement therapy is not right for everyone. Patient with certain prostate issues or breast cancer should not take testosterone. For more specific information, consult with your doctor for guidance based on your health status and current medications, particularly before taking any action. Kristen Dore, PharmD

Beast Sports recommends taking four capsules twice per day. The pills are about the same size as a multivitamin or a Tylenol liquid gel pill — not tiny tablets, unfortunately, but they aren’t horse pills. They smell like the boxes of raisins your Mom packed into your school lunch, but stale, like they were forgotten in the pantry for a few years, and a little spicy, like she sprinkled curry powder on them. If you follow this eight pills per day regime, your $46 bottle will last you twenty-two days, and cost you about $2 per day.
I am 41 and took test for my depression/ansiety, fatigue and ED problem due to the stress I am exposed to in my work.. Now I stopped and I accumulate a lot of fat, ansiety came back and I started to drink alcohol to cool things down, but as U know, its not helping. My question is.. Do you have to stop taking testosterone eventually or can you keep taking it as a supplement in a regular basis along the rest of your live? Cheers from Panama, Central America.
I’ll be 31 this year and my belly is getting out of hand. I’ve cut way way back on my soda intake to maybe one or two a day most days and I’m drinking way more water than ever. Seems this belly is here to stay lol. I’m working on a better diet and I’m also gonna start back working out. This belly is a serious drag I hate it and I need it gone asap. What’s gonna be my best option in a test booster. I don’t want t to get all crazy buying fat burning pills and other foolery but I thing a test booster will help me all around. I’m high anxiety low energy poor sleeping over eating father of 4 and im currently in barber school. I need to make changes for my family and myself as well as my profession. Please help. (Belly is my only problem area I’m 30yrs olf 6ft 180lbs)
Testosterone boosters are supplementary substances that can be used for the purpose of increasing testosterone levels in the blood. This study aimed to evaluate the side effects and health risks of testosterone boosters among athletes. A sportsman came to the King Saud Hospital, Unaizah, Qassim, Saudi Arabia, suffering from abdominal pain. The attending doctor requested general laboratory tests. He admitted to having consumed two courses of a testosterone booster over a period of 42 days following the instructions of the manufacturer. In total, the athlete in question consumed several courses, twice before the abdominal pain started and twice after it subsided. The blood tests and reports suggested that the commercial product consumed might negatively affect several hepatic functions and resulted in slightly increased testosterone concentrations after the fourth course. In conclusion, administration of testosterone booster products, although obtained from trusted sources, may still present some health risks. Further studies with large sample size and for a long period need to be done to confirm the current findings.
My preference is to start men on testosterone, for a couple of reasons. First, if a man has successful return of his own erections, it’s like a home run for him. He doesn’t have to take a pill in anticipation of having sex. He can have sex whenever he wants. Second, the benefits of testosterone-replacement therapy often go way beyond erectile dysfunction. That may be what brought the patient into the office originally, but then he comes back saying how much better he feels in general, how much more energetic and motivated he is, how his drives on the golf course seem to be going farther, and how his mood is better.
One preliminary study by researchers from Tikrit University showed high statistically significant increase of serum hormones (p< 0.01) in infertile men [9]. After 30 week treatment serum testosterone has increased by 17,7%, serum luteinizing hormone by 43,2% and serum follicle-stimulating hormone by 17,6%; dosage of ginger used was not disclosed [9]. It is suggested that improved testosterone production is because ginger was shown to be effective in decreasing SDF (sperm DNA Fragmentation) in infertile men [22]. SDF is negatively correlated with testosterone levels [23].
Insulin causes lower Testosterone levels, so go easy on the carbs and eat more protein right? Well you need to be careful with protein consumption – Excess protein without fat can also cause insulin spikes. So go easy on that chicken breast with a side of egg white omelets washed down with a protein shake. From an insulin point of view you may as well drink a can of soda with some aminos acid! So what should you do? Eat more fat.
More specifically, saw palmetto is frequently used to suppress prostate growth and combat abnormal urine flow that results from an enlarged prostate. The reason it is believed that saw palmetto can combat prostate hyperplasia is based on some research indicating it may block an enzyme (5-alpha-reductase) that converts testosterone into dihydrotestosterone (DHT).[21]
Regardless of the method of testosterone treatment chosen, patients will require regular monitoring during the first year of treatment in order to monitor clinical response to testosterone, testosterone levels and adverse effects, including prostate cancer (see Table 2). It is recommended that patients should be reviewed at least every three months during this time. Once treatment has been established, less frequent review is appropriate but the care of the patient should be the responsibility of an appropriately trained specialist with sufficient experience of managing patients treated with testosterone.
Likewise, the amino acids in a protein-rich diet play a big role in both testosterone and muscle growth. As Chris Lockwood, Ph.D., explains, "When combined with training, which increases the sensitivity of androgen receptors, and the consumption of essential amino acids necessary to support protein synthesis, the effects of testosterone on muscle and performance is significantly amplified."[3,4]

If you take a statin (cholesterol lowering medication) and you follow the 30-Day Heart Tune-Up program, there is a good chance you’ll be able to work with your doctor and over time safely stop your statin medication. Statin medications lower cholesterol, and you need cholesterol to make testosterone. Ask your doctor what you can do with lifestyle changes to not need a statin medication. Improving your cholesterol profile is only part of the answer. Many of the risk calculators doctors use look at tobacco use, body weight, blood pressure, blood sugar, and cholesterol. Improve all your risk factors, and often you won’t qualify for a medication!
Test1fy comes in with one of the most unique formulas containing ingredients that not only support testosterone increases and lean mass gains, but also help in increasing hunger making it the perfect addition to anyone’s natural bulking stack. It is overall a well rounded and potent formula making it perfect for anyone, from newbie to the seasoned veteran.
You can browse Drugs A-Z for a specific prescription or over-the-counter drug or look up drugs based on your specific condition. This information is for educational purposes only, and not meant to provide medical advice, treatment, or diagnosis. Remember to always consult your physician or health care provider before starting, stopping, or altering a treatment or health care regimen.

Testosterone boosters are formulated for men in most cases, though there are a few brands that are appropriate for women. These are generally for men who want to improve their lean muscle mass, stamina, and energy levels. If you have low testosterone levels, these are great to ward off symptoms like low energy, excessive body fat, and a low sex drive. Some athletes might benefit from these boosters. You should always check with your doctor before adding these supplements or any other supplements to your regimen, particularly if you have chronic health conditions or if you are already taking medications or supplements.
I can report that I saw decreased body fat during my three-month testosterone experiment. I started off with 18% body fat and ended the experiment with 12% body fat. I almost have a six-pack! This is the leanest I’ve ever been in my entire life. The funny thing is, I wasn’t even trying to shed body fat. It just happened. All hail, mighty testosterone!
It goes without saying that a healthy diet, quality sleep, productive lifestyle, and regular exercises can contribute to the overall increase of testosterone. However, it is also true that these activities are very often not enough for guys who have the problems with naturally low testosterone levels. This situation also includes people who want to boost their existing testosterone levels.
The chemical synthesis of testosterone from cholesterol was achieved in August that year by Butenandt and Hanisch.[187] Only a week later, the Ciba group in Zurich, Leopold Ruzicka (1887–1976) and A. Wettstein, published their synthesis of testosterone.[188] These independent partial syntheses of testosterone from a cholesterol base earned both Butenandt and Ruzicka the joint 1939 Nobel Prize in Chemistry.[186][189] Testosterone was identified as 17β-hydroxyandrost-4-en-3-one (C19H28O2), a solid polycyclic alcohol with a hydroxyl group at the 17th carbon atom. This also made it obvious that additional modifications on the synthesized testosterone could be made, i.e., esterification and alkylation.
“I’m a retired firefighter going on 65 and noticed I was getting soft and bigger in the belly even though I do regular exercise (jogging 3-4 miles 4 to 5 times a week). Since using Andro400, I’ve lost 2 inches off my waist and 12-13 pounds. I did not diet, ate what I normally do (here in Vegas, lots of buffets). Started out with a 38 inch waist, now 36; 195 lbs., now in the 182 range.”
Testosterone, historically believed to be important only for male sexual function, has over the past decades transformed from niche hormone to multi-system player.22 There is increasing recognition of the harmful consequences of hypogonadism (also known as testosterone deficiency) wide spectrum of beneficial health effects of testosterone therapy and.23, 24
When we face stress, our adrenal glands secrete cortisol to prepare our bodies and minds to handle the stressful situation — the primal fight-or-flight response. In small dosages, cortisol is fine and even useful, but elevated cortisol levels for prolonged periods can do some serious damage to our bodies and minds. One area that seems to take a hit when cortisol is high is our testosterone levels. Several studies have shown a link between cortisol and testosterone. When cortisol levels are high, testosterone levels are low; and when testosterone levels are high, cortisol levels are low.
Testosterone increases dominance and the desire for power. The link between testosterone and dominance has been demonstrated in numerous studies. T motivates men to gain and maintain social status. The desire for dominance can be a bad thing if it leads to criminal behavior, but it’s also what fuels the climb for success, motivates men to resist oppression and buck authority, and may even help you with the ladies…

Alcohol has constantly been shown to lower testosterone levels. It’s even worse if you’re a heavy beer drinker. Wanna know why? Because beer raises your estrogen levels due to the phytoestrogens that are produced from the hops used to make beer. If that’s not enough, studies have shown that alcoholics have lower levels of testosterone than non-alcoholics.


!function(n,t){function r(e,n){return Object.prototype.hasOwnProperty.call(e,n)}function i(e){return void 0===e}if(n){var o={},u=n.TraceKit,s=[].slice,a="?";o.noConflict=function(){return n.TraceKit=u,o},o.wrap=function(e){function n(){try{return e.apply(this,arguments)}catch(e){throw o.report(e),e}}return n},o.report=function(){function e(e){a(),h.push(e)}function t(e){for(var n=h.length-1;n>=0;--n)h[n]===e&&h.splice(n,1)}function i(e,n){var t=null;if(!n||o.collectWindowErrors){for(var i in h)if(r(h,i))try{h[i].apply(null,[e].concat(s.call(arguments,2)))}catch(e){t=e}if(t)throw t}}function u(e,n,t,r,u){var s=null;if(w)o.computeStackTrace.augmentStackTraceWithInitialElement(w,n,t,e),l();else if(u)s=o.computeStackTrace(u),i(s,!0);else{var a={url:n,line:t,column:r};a.func=o.computeStackTrace.guessFunctionName(a.url,a.line),a.context=o.computeStackTrace.gatherContext(a.url,a.line),s={mode:"onerror",message:e,stack:[a]},i(s,!0)}return!!f&&f.apply(this,arguments)}function a(){!0!==d&&(f=n.onerror,n.onerror=u,d=!0)}function l(){var e=w,n=p;p=null,w=null,m=null,i.apply(null,[e,!1].concat(n))}function c(e){if(w){if(m===e)return;l()}var t=o.computeStackTrace(e);throw w=t,m=e,p=s.call(arguments,1),n.setTimeout(function(){m===e&&l()},t.incomplete?2e3:0),e}var f,d,h=[],p=null,m=null,w=null;return c.subscribe=e,c.unsubscribe=t,c}(),o.computeStackTrace=function(){function e(e){if(!o.remoteFetching)return"";try{var t=function(){try{return new n.XMLHttpRequest}catch(e){return new n.ActiveXObject("Microsoft.XMLHTTP")}},r=t();return r.open("GET",e,!1),r.send(""),r.responseText}catch(e){return""}}function t(t){if("string"!=typeof t)return[];if(!r(j,t)){var i="",o="";try{o=n.document.domain}catch(e){}var u=/(.*)\:\/\/([^:\/]+)([:\d]*)\/{0,1}([\s\S]*)/.exec(t);u&&u[2]===o&&(i=e(t)),j[t]=i?i.split("\n"):[]}return j[t]}function u(e,n){var r,o=/function ([^(]*)\(([^)]*)\)/,u=/['"]?([0-9A-Za-z$_]+)['"]?\s*[:=]\s*(function|eval|new Function)/,s="",l=10,c=t(e);if(!c.length)return a;for(var f=0;f0?u:null}function l(e){return e.replace(/[\-\[\]{}()*+?.,\\\^$|#]/g,"\\$&")}function c(e){return l(e).replace("<","(?:<|<)").replace(">","(?:>|>)").replace("&","(?:&|&)").replace('"','(?:"|")').replace(/\s+/g,"\\s+")}function f(e,n){for(var r,i,o=0,u=n.length;or&&(i=u.exec(o[r]))?i.index:null}function h(e){if(!i(n&&n.document)){for(var t,r,o,u,s=[n.location.href],a=n.document.getElementsByTagName("script"),d=""+e,h=/^function(?:\s+([\w$]+))?\s*\(([\w\s,]*)\)\s*\{\s*(\S[\s\S]*\S)\s*\}\s*$/,p=/^function on([\w$]+)\s*\(event\)\s*\{\s*(\S[\s\S]*\S)\s*\}\s*$/,m=0;m]+)>|([^\)]+))\((.*)\))? in (.*):\s*$/i,o=n.split("\n"),a=[],l=0;l=0&&(g.line=v+x.substring(0,j).split("\n").length)}}}else if(o=d.exec(i[y])){var _=n.location.href.replace(/#.*$/,""),T=new RegExp(c(i[y+1])),E=f(T,[_]);g={url:_,func:"",args:[],line:E?E.line:o[1],column:null}}if(g){g.func||(g.func=u(g.url,g.line));var k=s(g.url,g.line),A=k?k[Math.floor(k.length/2)]:null;k&&A.replace(/^\s*/,"")===i[y+1].replace(/^\s*/,"")?g.context=k:g.context=[i[y+1]],h.push(g)}}return h.length?{mode:"multiline",name:e.name,message:i[0],stack:h}:null}function y(e,n,t,r){var i={url:n,line:t};if(i.url&&i.line){e.incomplete=!1,i.func||(i.func=u(i.url,i.line)),i.context||(i.context=s(i.url,i.line));var o=/ '([^']+)' /.exec(r);if(o&&(i.column=d(o[1],i.url,i.line)),e.stack.length>0&&e.stack[0].url===i.url){if(e.stack[0].line===i.line)return!1;if(!e.stack[0].line&&e.stack[0].func===i.func)return e.stack[0].line=i.line,e.stack[0].context=i.context,!1}return e.stack.unshift(i),e.partial=!0,!0}return e.incomplete=!0,!1}function g(e,n){for(var t,r,i,s=/function\s+([_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*)?\s*\(/i,l=[],c={},f=!1,p=g.caller;p&&!f;p=p.caller)if(p!==v&&p!==o.report){if(r={url:null,func:a,args:[],line:null,column:null},p.name?r.func=p.name:(t=s.exec(p.toString()))&&(r.func=t[1]),"undefined"==typeof r.func)try{r.func=t.input.substring(0,t.input.indexOf("{"))}catch(e){}if(i=h(p)){r.url=i.url,r.line=i.line,r.func===a&&(r.func=u(r.url,r.line));var m=/ '([^']+)' /.exec(e.message||e.description);m&&(r.column=d(m[1],i.url,i.line))}c[""+p]?f=!0:c[""+p]=!0,l.push(r)}n&&l.splice(0,n);var w={mode:"callers",name:e.name,message:e.message,stack:l};return y(w,e.sourceURL||e.fileName,e.line||e.lineNumber,e.message||e.description),w}function v(e,n){var t=null;n=null==n?0:+n;try{if(t=m(e))return t}catch(e){if(x)throw e}try{if(t=p(e))return t}catch(e){if(x)throw e}try{if(t=w(e))return t}catch(e){if(x)throw e}try{if(t=g(e,n+1))return t}catch(e){if(x)throw e}return{mode:"failed"}}function b(e){e=1+(null==e?0:+e);try{throw new Error}catch(n){return v(n,e+1)}}var x=!1,j={};return v.augmentStackTraceWithInitialElement=y,v.guessFunctionName=u,v.gatherContext=s,v.ofCaller=b,v.getSource=t,v}(),o.extendToAsynchronousCallbacks=function(){var e=function(e){var t=n[e];n[e]=function(){var e=s.call(arguments),n=e[0];return"function"==typeof n&&(e[0]=o.wrap(n)),t.apply?t.apply(this,e):t(e[0],e[1])}};e("setTimeout"),e("setInterval")},o.remoteFetching||(o.remoteFetching=!0),o.collectWindowErrors||(o.collectWindowErrors=!0),(!o.linesOfContext||o.linesOfContext<1)&&(o.linesOfContext=11),void 0!==e&&e.exports&&n.module!==e?e.exports=o:"function"==typeof define&&define.amd?define("TraceKit",[],o):n.TraceKit=o}}("undefined"!=typeof window?window:global)},"./webpack-loaders/expose-loader/index.js?require!./shared/require-global.js":function(e,n,t){(function(n){e.exports=n.require=t("./shared/require-global.js")}).call(n,t("../../../lib/node_modules/webpack/buildin/global.js"))}});
The results of these studies indicate that testosterone treatment in older men with low testosterone may proffer some benefits. However, testosterone treatments may also entail risks. The exact trade-off is unknown. Larger and longer studies need to be performed to clarify the effects of testosterone on heart health, bone health, disability, and more.

I am 31, been on HRT for about 6 months now. Started with Oxandralone (orally, 3 x 10mg tablets per day) and found a 20-30% increase in strength and outlook on life. Stopped taking it and now use Primo Testostin Depot (test enanthate – 1 x 250mg shot every 2 weeks). In the first week I feel a lot stronger, voice deepens etc but these benefits quickly diminish after about 5-7 days

Scientists in Italy found that subjects who consumed roughly 3 grams of D-AA for 12 days observed a 42 percent increase in testosterone levels.[12] The researchers also noted that the D-AA group still had 22 percent more testosterone than the placebo group three days after they stopped supplementing. Conversely, a more recent article published in Nutrition Research found no increase in testosterone levels in resistance-trained males after supplementing with 3 grams of D-AA for 28 days.[13]
There are several supplements on the market claiming to be natural testosterone boosters. I get these sorts of things in the mail all time. The companies that produce these products claim that the herbs (typically stinging nettle and tribulus) in their pills increase free testosterone by reducing SHBG. They also throw in some B vitamins for “increased energy and vitality.”
The bogus products that have been draining your wallet and fattening the bank accounts of supplement companies are the so-called “natural testosterone boosters.” Billed as the saving grace to your low testosterone levels, poor body composition, and pitiful strength levels, natty test boosters were viewed by consumers as the answer to everything that was wrong.
But can testosterone replacement therapy help with heart disease? Study results are mixed. Small studies in the early 2000s found that men with heart disease who underwent testosterone therapy saw only slight improvements. Some were able to increase their walking distance by 33 percent. Another study found that hormone therapy only widened healthy arteries but had no effect on angina pain.
Then in 2017, Melville carried out another study on DAA.[4] This time he recruited 22 men in a randomized, double-blind fashion and had them consume either a placebo or 6g of DAA. After 12 weeks of supplementation, researchers observed that DAA had no significant impact on resting levels of either free or total testosterone. Any improvements in strength or hypertrophy were similar to those in the placebo group.
Currently available testosterone preparations in common use include intramuscular injections, subcutaneous pellets, buccal tablets, transdermal gels and patches (see Table 2). Oral testosterone is not widely used. Unmodified testosterone taken orally is largely subject to first-pass metabolism by the liver. Oral doses 100 fold greater than physiological testosterone production can be given to achieve adequate serum levels. Methyl testosterone esters have been associated with hepatotoxicity. There has been some use of testosterone undecanoate, which is an esterified derivative of testosterone that is absorbed via the lymphatic system and bypasses the liver. Unfortunately, it produces unpredictable testosterone levels and increases testosterone levels for only a short period after each oral dose (Schurmeyer et al 1983).
Testosterone is the main hormone associated with muscle mass, strength gains, and libido. But that's far from the only thing it does in the body. As Chris Lockwood, Ph.D., explains in the article "All About Testosterone," it impacts everything from mood and memory to bone health—but yes, to be clear, it also makes muscles bigger and stronger, and helps increase endurance and athletic performance.
Consuming high amounts of sugary foods raises your blood glucose levels, which causes your body to release insulin as a response to the raised blood glucose levels. If not managed correctly, the body begins to develop a tolerance to insulin and cannot absorb the sugars in the blood stream as it used to, causing you to become insulin resistant. Being insulin resistant releases cortisol, and as you know, cortisol has extremely negative effects, lowering testosterone by quite a bit.
If testosterone deficiency occurs during fetal development, then male characteristics may not completely develop. If testosterone deficiency occurs during puberty, a boy’s growth may slow and no growth spurt will be seen. The child may have reduced development of pubic hair, growth of the penis and testes, and deepening of the voice. Around the time of puberty, boys with too little testosterone may also have less than normal strength and endurance, and their arms and legs may continue to grow out of proportion with the rest of their body.
×