After the age of 30 to 40, testosterone levels can gradually decline by around 1% each year. For some men, the change may first show up as lower energy, slower recovery, reduced strength, more abdominal fat, or changes in sexual well being.
But ageing is not the only reason testosterone can fall. Poor sleep, obesity, metabolic problems, certain medicines, and conditions affecting the testes or the hormonal signals coming from the brain can also play a role.
So if you are looking at how to increase testosterone levels naturally, start by finding what may be working against your testosterone. Improving the right factor, whether it is sleep, body weight, exercise, diet or a nutrient gap, is more useful than simply adding another testosterone booster.
Key Highlights
- Testosterone usually declines gradually with age, but poor sleep, excess body fat, metabolic problems, medicines and certain medical conditions can bring levels down further.
- 7 to 9 hours of good quality sleep, regular strength training and gradual fat loss are practical places to start when lifestyle is affecting testosterone.
- Foods rich in protein, healthy fats, zinc and magnesium support the nutritional and metabolic processes involved in normal testosterone function.
- Heavy alcohol intake, chronic stress and severe calorie restriction can work against healthy hormone production.
- Ashwagandha and purified Shilajit have been studied for male hormone support, but the extract, purification, dose, and person using them matter.
- Symptoms such as low energy, reduced libido, or loss of muscle cannot confirm low testosterone by themselves.
The Importance of Testosterone for Men's Health
Testosterone is more than a sex hormone. It is essential for how you feel every single day. It fuels your physical strength and gives you the energy to perform. Testosterone supports crucial muscle mass and healthy bone density. When the levels drop, your mood, focus, and drive suffer immediately. Maintaining optimal levels is key to sustained well being.
Average Total Testosterone Levels by Age in Men
| Age Group | Total Testosterone Range |
|---|---|
| 20 to 39 years | 300 to 1,000 ng/dL |
| 40 to 49 years | 252 to 916 ng/dL |
| 50 to 59 years | 215 to 878 ng/dL |
| 60 to 69 years | 196 to 859 ng/dL |
| 70 to 79 years | 156 to 819 ng/dL |
Testosterone ranges can vary between laboratories and testing methods. A blood test should be interpreted along with symptoms and medical history.
What Can Affect Testosterone Levels in Men?
Testosterone production depends on signals between the brain, pituitary gland and testes. Age, body fat, sleep, metabolic health, medicines, and certain medical conditions can interfere with this process.
- Age: Testosterone gradually declines with age, although the rate differs from one man to another.
- Excess Body Fat: Higher body fat can increase aromatase activity, which converts testosterone into estradiol, and can also disturb normal hormone signalling.
- Poor Sleep and Sleep Apnea: Testosterone normally rises during sleep, so repeated sleep loss can reduce this overnight rise. Sleep apnea can also interfere with normal hormone regulation.
- Type 2 Diabetes and Insulin Resistance: Poor metabolic health can disturb testosterone regulation, especially when diabetes, insulin resistance and excess abdominal fat occur together.
- Chronic Stress: Long term stress can affect cortisol, sleep, recovery and sexual wellbeing, all of which can influence testosterone.
- Certain Medicines: Opioids, some hormone medicines and previous anabolic steroid use can suppress the body's normal testosterone production.
- Testicular or Pituitary Problems: Damage to the testes can reduce testosterone production directly, while problems involving the pituitary gland or hypothalamus can interrupt the signals telling the testes to produce testosterone.
How to Know If Your Testosterone Level Is Low
Low testosterone can affect sexual health, muscle, energy, and fertility. Feeling tired, gaining belly fat, or losing interest in sex can make low testosterone seem obvious.
But these symptoms alone cannot tell you what your testosterone level actually is. Common signs associated with low testosterone include:
- lower sexual desire
- fewer spontaneous erections
- erectile problems
- persistent low energy
- reduced muscle mass
- difficulty maintaining strength
- increased body fat
- low mood
- difficulty concentrating
- reduced facial or body hair
- fertility problems
13 Science Backed Ways to Increase Testosterone Naturally
Once you understand what can bring testosterone levels down, the next step is working on the factors you can realistically change.
Each of the following works in a different way. Some help the body produce testosterone more efficiently, while others reduce factors that suppress it.
1. Prioritise Quality Sleep
Aim for 7 to 9 hours of uninterrupted sleep and keep your sleep and wake times as consistent as possible.
Sleep helps increase testosterone because much of its daily rise happens overnight. Testosterone follows the body's sleep wake rhythm, so when sleep is repeatedly cut short, this normal rise can also be reduced.
If you sleep long enough but still wake tired, poor sleep quality, frequent waking or sleep apnea may still interfere with hormone regulation.
2. Start Strength Training
Include strength training two to four times a week, using exercises such as squats, rows, presses and deadlifts.
Strength training helps increase testosterone by activating large muscle groups and creating a short term rise in testosterone after exercise.
Over time, it also helps build muscle, improve insulin sensitivity and reduce excess body fat, which supports a healthier environment for normal testosterone production.
3. Lose Excess Body Fat
If you carry excess abdominal fat, aim for gradual weight loss through food control, regular movement, and strength training.
Losing excess fat can help increase testosterone because fat tissue contains aromatase, an enzyme that converts testosterone into estradiol. With less excess fat, less testosterone may be lost through this conversion.
Weight loss can also improve insulin sensitivity and strengthen the hormonal signals between the brain and testes that control testosterone production.
4. Eat Enough Protein
Include a good protein source in each main meal, such as eggs, fish, chicken, paneer, curd, milk, dals, or beans.
Protein supports testosterone indirectly by helping preserve and build muscle. Better muscle mass and body composition improve metabolic health, which is closely tied to healthy hormone function.
Protein also helps during fat loss by reducing muscle loss while body fat comes down.
Very high protein diets combined with very low carbohydrate intake may reduce testosterone, so balance is more useful than pushing protein intake too high.
5. Include Healthy Fats
Keep nuts, seeds, fish, and suitable cooking oils in your regular diet instead of cutting dietary fat too aggressively.
Healthy fats help support testosterone because steroid hormones, including testosterone, are produced from cholesterol and depend on adequate energy and fat intake.
When fat intake becomes too low, testosterone production can be affected. Some dietary trials found lower total and free testosterone in men eating lower fat diets.
The goal is adequate fat intake, not loading the diet with saturated fat.
6. Eat Zinc Rich Foods
Include pumpkin seeds, sesame seeds, chickpeas, dals, beans, eggs, dairy, nuts and seafood regularly.
Zinc helps support testosterone production by helping the testes function normally in making testosterone. When zinc intake is too low, this process can slow down and testosterone levels can fall. Correcting zinc deficiency can help bring testosterone back towards normal levels.
Once your zinc needs are already met, taking more is unlikely to keep increasing testosterone.
7. Maintain Healthy Vitamin D Levels
Get regular sensible sunlight exposure and include vitamin D sources such as eggs, oily fish and fortified foods.
Vitamin D may support testosterone by helping normal function in tissues involved in reproductive and hormone health. Low vitamin D is often seen alongside lower testosterone.
Correcting a deficiency may support normal hormone function, but taking extra vitamin D when your levels are already adequate does not reliably raise testosterone further.
8. Get Enough Magnesium
Include leafy vegetables, nuts, seeds, beans and dals regularly.
Magnesium may help testosterone by supporting energy production, muscle function and metabolic health. It may also influence how much testosterone remains available for the body to use.
Men with better magnesium status have shown higher testosterone levels in research.
Its role is strongest as part of overall nutrient adequacy rather than as a stand alone testosterone booster.
9. Manage Chronic Stress
Use regular exercise, proper sleep, outdoor activity, and breaks from long working hours to reduce ongoing stress.
Lowering chronic stress can help testosterone because persistently high cortisol can interfere with the hormonal signals involved in testosterone production.
Better stress control can also improve sleep, recovery, exercise consistency, and eating habits, which further support healthy testosterone.
10. Cut Back on Heavy Drinking
If alcohol is frequent or heavy, reduce how much and how often you drink.
Cutting back can help restore testosterone because heavy alcohol intake can interfere with the signals from the brain to the testes and can affect Leydig cells, the cells responsible for making testosterone.
Reducing alcohol can also improve sleep and lower excess calorie intake, both of which support healthier hormone levels.
11. Avoid Crash Diets
If weight loss is your goal, use a moderate calorie deficit while still eating enough protein, fats, and micronutrients.
Avoiding severe calorie restriction helps maintain testosterone because the body reduces reproductive hormone activity when energy intake stays too low. Energy deficiency can suppress testosterone.
A steady calorie deficit can help men with excess body fat lose weight without creating the hormonal stress that can come with aggressive dieting.
12. Consider Ashwagandha
Consider Ashwagandha after sleep, exercise, diet and stress are already being addressed, especially if high stress or poor recovery is part of the problem.
Ashwagandha may help increase testosterone partly by reducing stress and supporting recovery. In a study, specific Ashwagandha extracts increased testosterone in some groups of men, including those dealing with stress or following resistance training programmes.
Its effect can depend on the extract, dose, and the person using it.
Among supplements to increase testosterone, Ashwagandha may be more useful for men who also deal with high stress or poor recovery.
13. Consider Purified Shilajit
Choose purified Shilajit from a clearly labelled formulation where the dose and ingredient quality are easy to check.
Purified Shilajit may help support testosterone by influencing the hormonal pathways involved in testosterone production. In one small trial, purified Shilajit increased total and free testosterone in healthy men.
Purity, dose, and composition can differ between products, so the form used matters.
For men considering natural supplements to increase testosterone, ZeroHarm's Himalayan Shilajit with Ashwagandha and Safed Musli can be considered as part of a broader routine that already includes sleep, exercise, and good nutrition.
When Should You See a Doctor for Low Testosterone?
See a doctor if low energy, reduced sexual desire, erectile problems, loss of muscle or fertility concerns continue for weeks, or if two separate morning blood tests show low testosterone.
A commonly used clinical threshold is around 300 ng/dL, but diagnosis is not based on one reading alone. Testosterone levels should generally be checked on two separate mornings, because they naturally change through the day and can vary from one day to another.
Medical evaluation is also important if:
- symptoms are affecting daily life;
- erectile or fertility problems continue;
- muscle loss becomes noticeable;
- lifestyle changes have not improved the problem;
- a teenager has not started showing normal signs of puberty by around age 14.
If testosterone stays low, further testing can help find whether the cause is related to the testes, pituitary gland, medicines or another health condition.
Conclusion
Improving testosterone is less about chasing one food, workout or "booster" and more about creating the right conditions for your body to function well.
Start with the areas you can control: sleep properly, train consistently, maintain a healthy body composition, and eat enough quality food. If stress, alcohol or an extreme diet is part of the problem, fixing those habits can support far more than testosterone alone.
For men who want additional nutritional or herbal support, natural supplements such as Ashwagandha, purified Shilajit and essential minerals can fit into a well planned routine when chosen for the right reason.
The bigger goal should be support for better health, including energy, strength, metabolic health, reproductive wellness, and healthy ageing, rather than focusing on one hormone number alone.
If symptoms continue despite these changes, get your testosterone checked. Knowing whether your levels are actually low, and why, gives you a much clearer next step than continuing to guess.
