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Penis not hard enough? It could be testosterone holding it back

Written by: Bestvibe Published on August 12,2025

Preface

Recently in private messages, many fans are asking, “Brother, why do I feel like I can't get an erection?”

When I asked, they were basically people who stayed up late, worked under pressure, and had irregular diets.

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What's more interesting is that many of these brothers also complained about their declining interest in masturbation and sex toys, and even that their erections are not as hard as before.

In fact, behind these problems, it is likely to be related to a key hormone - testosterone.

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What exactly does testosterone do?

Testosterone is an androgen hormone produced primarily by the testes, with a small amount coming from the adrenal glands; testosterone isn't just the source of the beard and low voice that make you grow a beard, it also has a direct impact on your energy, libido, the quality of your erections, and the pleasurable experience you have when you masturbate.

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A very visual example: in a 2021 study, 61 men were divided into five groups and injected with different doses of testosterone.

With the same diet and no exercise at all, the high-dose group showed a significant increase in muscle mass, muscle size, and strength, along with a decrease in fat content.

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  Simply put, high testosterone = muscle gain + fat loss + stronger erections.  


And, if you find yourself getting enough sleep but still tired, unmotivated to do anything, masturbating less frequently, or even failing to get aroused when using sex toys, it's likely that low testosterone levels are to blame.

Why can't we take testosterone supplements indiscriminately?

So if testosterone is so good, why can't we take a little bit of it every day for supplementation like a vitamin? There are two main reasons:

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Higher testosterone isn't better

Excessive testosterone can increase the risk of hair loss, acne, depression, heart disease, and even lead to gynecomastia, and if you're already having these problems, too much testosterone will only make these worse.

Topical Testosterone Can Decline Your Own Abilities

Long-term exogenous supplementation can cause your body to stop producing testosterone on its own, leading to testicular atrophy, and even worse, even if you stop using it, you may not be able to get back to your original levels, meaning that the quality of your erections and libido may permanently decline.

So don't take testosterone on your own unless your doctor prescribes it and monitors it throughout.

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What is the ideal testosterone level?

The American Urological Association recommends between 300-1000 ng/dl of testosterone for adult men.

Personally, I recommend that if you want to maintain good erectile ability and quality of sex, the target value can be between 600-1200 ng/dl, a range that avoids side effects while allowing you to be at your best when masturbating, having sex, and using sex toys.

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Scientific Ways to Boost Testosterone Naturally

The good news is that we can achieve these levels as naturally as possible without the use of drugs, so I'm going to introduce you to some of the methods that have been scientifically proven to work.

Dietary fat

Inadequate fat intake can bring down testosterone, especially monounsaturated fatty acids and Omega-3s, which contribute to testosterone production.

One such test was conducted in 1984, and after reducing the fat intake in the daily diets of 30 guys, all of them experienced a significant drop in testosterone levels.

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Interestingly, when they returned to their previous fat intake, their testosterone levels returned to their previous levels, so what does this mean.

There is a direct correlation between testosterone and the amount of fat we eat, but not all fats are good for us, such as the following picture

It is recommended to eat more: deep-sea fish (e.g. salmon, tuna), eggs, nuts

Reduce the intake of: burgers, fries, pizza, cookies, etc.

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Onions, Ginger, and Garlic

Although large-scale human studies are lacking, animal studies have shown that onions, ginger, and garlic boost testosterone levels and are inexpensive, readily available on a daily basis, and can be made into a daily condiment or replaced with related supplements.

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Supplements - Vitamin D and Zinc

In a 2010 research study In a test of 54 men that lasted a year, those who took 83 micrograms of vitamin D3 per day would boost their testosterone by nearly 20% over those given a placebo;

In a 1981 research study, after two groups were given zinc on a regular basis, initial In a 1981 research study, after two groups were given zinc on a regular basis, those with low initial testosterone levels experienced a significant increase, while those with normal initial levels experienced relatively little change.

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Exercise

Strength training (squats, hard pulls, bench presses, HIIT) helps boost testosterone, but prolonged endurance exercise (marathons, long rides) lowers levels instead.

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Novice and obese people boost more effectively, but take care to rest to avoid elevated cortisol leading to a drop in testosterone.

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Sleep

One of the most important influences on our testosterone is sleep. A 2011 study found that ten guys who limited their sleep to five hours a day saw their testosterone levels drop by 10 to 15 percent in just eight days.

Isn't that scary? For your health, getting 7-9 hours of sleep a day and sleeping until you wake up at least 1-2 days a week can effectively maintain levels.

Alcohol

A small amount of alcohol is not harmful, but prolonged heavy drinking can drop testosterone and sperm counts and even lead to infertility.

Testosterone and masturbation and sex toys

Testosterone Affects Sex Drive and Erections

High testosterone makes it easier for you to get sexually aroused and have better quality erections. During masturbation, this will make it easier for you to get into the mood and have more powerful orgasms.

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People with low testosterone tend to have a reduced desire to masturbate and may feel less interested even when using highly stimulating sex toys.

Penis Sensitivity

People with high testosterone levels have firmer erections, fuller engorgement of the corpus cavernosum, and are more sensitive to touch and friction.

This means that pleasure is greater whether you masturbate manually or with an airplane cup or vibrating sex toy.

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Masturbation Frequency and Testosterone

Moderate masturbation (e.g., 2-4 times per week) has little effect on testosterone and can also help maintain sexual function.

However, not ejaculating at all for long periods of time may make erections unstable; excessive frequency (multiple times a day) may cause a temporary feeling of fatigue and make you feel less sexually aroused.

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Auxiliary role of sex toys

For some men with low testosterone, the use of sex toys (e.g., vibrating rings, vacuum erection aids, and smart airplane cups) can stimulate congestion of the corpus cavernosum of the penis and improve the quality of short-term erections, and work even better when used in conjunction with testosterone boosting methods.

Summary of Practical Advice

  • Maintain a balanced diet and increase your intake of good fats
  • Eat plenty of onion, ginger and garlic and take vitamin D and zinc supplements
  • Strength training 3-4 times a week
  • Get enough sleep
  • Control alcohol consumption.
  • Masturbate moderately and use appropriate sex toys to maintain an erection.

These methods adhere to 3-6 months, usually can feel the libido, erection hardness, masturbation pleasure are significantly improved.

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Conclusion

Testosterone not only determines your muscle and mental state, but also directly affects your performance during masturbation, use of sex toys, and sexual intercourse.

Naturally boosting testosterone through scientific methods can not only improve the quality of penile erections, but also give you more energy in both your daily life and in bed.

Instead of blindly supplementing, it is better to start by adjusting your diet, exercise, and sleep habits for long-term benefits.

-End-

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