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Thyroid & Hormones October 3, 2025

How to Optimize Testosterone Naturally (Without TRT)

How to Optimize Testosterone Naturally (Without TRT)

TL;DR

Low testosterone often results from PUFAs, poor sleep, overtraining, and low thyroid. Testosterone replacement (TRT) treats symptoms, not cause. Eliminate seed oils. Sleep 7-9 hours. Reduce chronic cardio. Lift heavy 2-3x/week. Support thyroid. Eat saturated fats and adequate carbs. Testosterone optimizes naturally for most men.


Your testosterone is low.

Total: 350 ng/dL. Free T: low-normal. You're 35. Should be higher.

Tired constantly. No libido. Can't build muscle. Mood is flat.

Your doctor offered TRT. "You'll feel better. More energy. Better mood."

You're considering it. Or already started.

But TRT doesn't fix WHY your testosterone is low.

Your lifestyle is suppressing it.

Testosterone is like water pressure in your house. TRT is adding water from outside. But if your pipes are clogged (metabolism), pressure stays low. Fix the pipes first.


What Testosterone Does

Primary male sex hormone.

Functions:

Optimal levels (men):

  • Total testosterone: 600-900 ng/dL
  • Free testosterone: 15-25 pg/mL

Low testosterone symptoms:

Why Your Testosterone Is Low

1. PUFAs Suppress Testosterone

Seed oils damage Leydig cells (testicular cells that produce testosterone).

Oxidized PUFAs also:

Eliminate PUFAs. Many men see 100-200 ng/dL increase within 6-12 months.

2. Low Thyroid

Thyroid and testosterone are connected.

Low thyroid reduces:

Fix thyroid. Testosterone often rises naturally.

3. Poor Sleep

Testosterone production peaks during sleep.

Less than 7 hours: Testosterone drops 10-15% per hour of sleep lost.

Sleep apnea: Severely suppresses testosterone.

Improve sleep. Testosterone improves.

4. Overtraining

Chronic endurance training:

Too much exercise without adequate recovery = low testosterone.

5. Chronic Stress

High cortisol suppresses testosterone.

Chronic work stress, relationship stress, financial stress = elevated cortisol = low testosterone.

6. Obesity (Especially Visceral Fat)

Fat tissue contains aromatase.

Aromatase converts testosterone to estrogen. More belly fat = more testosterone conversion = lower testosterone.

Lose fat. Testosterone increases.

7. Alcohol

Alcohol damages testes directly.

Even moderate drinking (3-4 drinks/week) can suppress testosterone.

How to Optimize Testosterone Naturally

Eliminate All Seed Oils

Primary intervention.

Stop eating vegetable oils, canola, soybean, sunflower. Cook with butter and coconut oil.

Eat Saturated Fats

Cholesterol is the precursor to testosterone.

Best sources:

  • Eggs (especially yolks)
  • Butter, ghee
  • Fatty meat (ribeye, pork, lamb)
  • Full-fat dairy
  • Coconut oil

Aim for 20-30% of calories from saturated fat.

Adequate Carbs

Low-carb diets can suppress testosterone.

Thyroid needs carbs. Low thyroid = low testosterone.

Eat 150-250g carbs daily:

Adequate Protein

1.6-2.0g per kg body weight.

Supports muscle growth. Provides amino acids for hormone production.

Strength Training

Heavy lifting boosts testosterone.

Optimal protocol:

Don't overtrain. More isn't better.

Optimize Sleep

7-9 hours nightly.

Sleep hygiene:

Reduce Stress

Lower cortisol = higher testosterone.

Strategies:

Support Thyroid

Fix thyroid first. Testosterone follows.

Limit Alcohol

Ideally eliminate for 3-6 months.

If drinking, limit to 1-2 drinks/week.

Optimize Vitamin D

Target 40-60 ng/mL.

Low vitamin D = low testosterone. Supplement 2,000-5,000 IU daily or get sun.

Reduce Xenoestrogens

Endocrine disruptors mimic estrogen.

Avoid:

  • Plastic containers (BPA, phthalates)
  • Receipts (BPA)
  • Fragrances, air fresheners
  • Non-stick cookware

Use:

  • Glass or stainless steel containers
  • Cast iron cookware
  • Unscented products

Timeline for Natural Optimization

Week 2-4:

Month 2-3:

Month 3-6:

Month 6-12:

When to Consider TRT

Natural optimization should be tried first.

TRT may be appropriate if:

TRT considerations:

  • Lifelong commitment (natural production stops)
  • Fertility issues (sperm production decreases)
  • Side effects (acne, mood swings, cardiovascular risk)
  • Cost

Optimize metabolism first. Many men don't need TRT.

What About "Testosterone Boosting" Supplements

Most don't work.

Overrated:

  • Tribulus terrestris
  • Fenugreek
  • D-aspartic acid
  • Testosterone boosters (proprietary blends)

Potentially helpful (if deficient):

Fix diet and lifestyle. Supplements are 5% at most.

FAQ

Q: My testosterone is 450 ng/dL. Is that low? A: Technically "normal" range. But suboptimal for most men under 50. Optimize lifestyle. Many reach 600-800 ng/dL naturally.

Q: Will eliminating PUFAs really raise testosterone? A: For many men, yes. Anecdotal reports of 100-200+ ng/dL increases. Retest labs after 6-12 months.

Q: I'm on TRT. Should I stop? A: Don't stop without doctor supervision. But optimize metabolism alongside TRT. Some men reduce dose or come off TRT once lifestyle is optimized.

Q: How long until I see results? A: Energy and sleep improve within weeks. Testosterone levels take 3-6 months to rise significantly. Full optimization 6-12 months.


This isn't medical advice. Work with your doctor for testosterone testing and TRT decisions.


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