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An independent source, not funded or influenced by any clinic or pharmaceutical company.An independent source, not funded or influenced by any clinic or pharmaceutical company.An independent source, not funded or influenced by any clinic or pharmaceutical company.An independent source, not funded or influenced by any clinic or pharmaceutical company.

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Every guide, newest first.

All TRT NYC articles in one place, straight from our editorial team.

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Does Finasteride Lower Testosterone? What to Know

TL;DR — Key Takeaways No, finasteride does not lower testosterone. It often slightly raises it (~10–20%). It blocks the enzyme (5-alpha-reductase)…

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Does Sugar Lower Testosterone? What the Science Says

TL;DR — Key Takeaways Yes, sugar lowers testosterone, both short-term and long-term. In a 2013 study, a 75g glucose drink dropped testosterone ~25%…

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Does Weed Lower Testosterone? What the Evidence Says

TL;DR — Key Takeaways The evidence is mixed, weed doesn’t clearly lower testosterone, but heavy/chronic use may. THC can cause a short-term dip by…

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Does Soy Lower Testosterone? What the Research Says

Does Soy Lower Testosterone? What the Research Says TL;DR — Key Takeaways No, soy does not lower testosterone in men at normal intakes. It’s a…

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What Lowers Testosterone? Foods, Habits & Medications

TL;DR — Key Takeaways The #1 cause is excess body fat, men with obesity can have up to 50% lower testosterone. Poor sleep, chronic stress, and heavy…

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Does Dehydration Raise Hematocrit on TRT? Explained

TL;DR — Key Takeaways Yes, but misleadingly. Dehydration concentrates red blood cells without adding any. It drops your plasma (the water in blood),…

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Does Creatine Increase Testosterone? What Research Shows

TL;DR — Key Takeaways No, creatine does not meaningfully increase testosterone. A meta-analysis found no significant effect. It doesn’t raise free…

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Does Fasting Increase Testosterone? What the Evidence Says

TL;DR — Key Takeaways Fasting doesn’t directly increase testosterone. In lean, active men, intermittent fasting can lower testosterone (~1–21% in…

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Do Cold Showers Increase Testosterone? The Evidence

TL;DR — Key Takeaways No, cold showers don’t reliably increase testosterone. Some studies even show a small decrease. The real, evidence-backed link…

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Does Magnesium Increase Testosterone? What Studies Show

TL;DR — Key Takeaways Yes, magnesium can modestly increase testosterone, especially free (usable) testosterone. It works partly by reducing…

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Does Vitamin D Increase Testosterone? What Studies Show

TL;DR — Key Takeaways Vitamin D raises testosterone mainly if you’re deficient, the testes have vitamin D receptors. A year-long RCT found ~3,300…

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Does Zinc Increase Testosterone? What the Science Says

TL;DR — Key Takeaways Zinc raises testosterone mainly if you’re deficient, it’s essential for testosterone production. Zinc deficiency lowers…