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XY Files Blog

Medically reviewed articles on testosterone, hormones, fitness, and longevity, so you can make informed decisions about your health.

Supplements and nootropics: Do brain-boosting products really work?

Supplements and nootropics: Do brain-boosting products really work?

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Veedma's editorial team: Evidence-based men's health
Aug 13, 2026 · 13 min read

Yes, some brain boosting products really do work, but the strongest short term evidence still belongs to familiar ingredients like caffeine, usually studied at about 40 to 300 mg, rather than exotic proprietary blends. The real question is not whether nootropics can do something, but which brain supplements help attention or memory in men, which ...

Performance labs for men: The blood tests and biomarkers that matter

Performance labs for men: The blood tests and biomarkers that matter

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Veedma's editorial team: Evidence-based men's health
Jul 30, 2026 · 15 min read

For men, the performance labs that matter most are morning blood tests that can explain symptoms and guide action, especially total testosterone below 350 ng/dL, free testosterone below 100 pg/mL, and the LH plus FSH pattern that shows whether the problem starts in the testes or higher in the hormone axis. Add practical biomarkers such ...

Weight loss and metabolism: What actually works for men

Weight loss and metabolism: What actually works for men

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Veedma's editorial team: Evidence-based men's health
Jul 23, 2026 · 15 min read

A modest calorie deficit, high protein intake, resistance training, daily movement, and adequate sleep are the most reliable ways for men to lose body fat and protect metabolism. The hard part is that metabolism adapts, hunger rises, and common male issues such as poor sleep, insulin resistance, and low testosterone can make a good plan ...

General men’s health: The essential guide

General men’s health: The essential guide

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Veedma's editorial team: Evidence-based men's health
Jul 09, 2026 · 13 min read

Good general men’s health starts before symptoms appear. For most men, the highest value preventive care is simple and measurable: keep blood pressure below 130 over 80 when possible, start average risk colorectal cancer screening at age 45, and investigate persistent hormone symptoms when total testosterone is below 350 ng/dL or free testosterone is below ...

Bryan Johnson Blueprint supplement stack 2026: What’s in it and does it work?

Bryan Johnson Blueprint supplement stack 2026: What’s in it and does it work?

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Veedma's editorial team: Evidence-based men's health
Jun 18, 2026 · 14 min read

Bryan Johnson’s Blueprint supplement stack 2026 is still not a proven life extension protocol, and public versions have involved more than 100 pills a day plus powders and fortified foods. What it does offer is a useful case study in modern biohacking, because a few ingredients have solid data for muscle or lipid markers, while ...

How healthy are Clif protein bars?

How healthy are Clif protein bars?

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Veedma's editorial team: Evidence-based men's health
Jun 11, 2026 · 14 min read

Clif Bars, often misspelled “Cliff bars,” are only moderately healthy for most men, and many of the bars men call “Clif protein bars” are really high carb energy bars with about 250 to 280 calories, 17 to 21 grams of sugar, and far less protein than the name suggests. Whether Clif Bars are good for ...

How trauma can affect relationships and sexual health in men

How trauma can affect relationships and sexual health in men

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Veedma's editorial team: Evidence-based men's health
Jun 04, 2026 · 13 min read

Yes. Trauma can disrupt desire, erections, orgasm, and intimacy, and those symptoms can overlap with hypogonadism when persistent symptoms are present and morning testing shows total testosterone below 350 ng/dL or free testosterone below 100 pg/mL, with confirmation as needed. That is why trauma and relationships, men’s mental health, sexual health, and relationship stress often ...

Best supplements for biohacking: What actually helps men’s health

Best supplements for biohacking: What actually helps men’s health

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Veedma's editorial team: Evidence-based men's health
May 28, 2026 · 15 min read

The best supported biohacking supplements for men are a short list, not a 20 bottle stack: creatine at 3 to 5 g daily, protein support when intake is low, vitamin D when labs show deficiency, and targeted minerals or electrolytes when diet or sweat losses create a real gap. Most of the high priced “supplements ...

Best supplements for low energy in men

Best supplements for low energy in men

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Veedma's editorial team: Evidence-based men's health
May 21, 2026 · 15 min read

The best supplements for low energy in men are the ones that match the cause, not the loudest label, and testosterone treatment belongs only to men with symptoms plus properly confirmed low levels, typically below 350 ng/dL total testosterone or 100 pg/mL free testosterone on morning testing. If you feel drained, the real question is ...

Testing and updates: How to track your health metrics over time

Testing and updates: How to track your health metrics over time

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Veedma's editorial team: Evidence-based men's health
May 07, 2026 · 15 min read

You should track your health metrics over time with daily wearable and home readings plus at least two lab updates a year, especially if testosterone is below 350 ng/dL or free testosterone is below 100 pg/mL with symptoms. The most useful men’s health monitoring plan combines fast moving signals like sleep, resting heart rate, and ...

What affects male intimacy, libido, and sexual health? Relationship advice for men

What affects male intimacy, libido, and sexual health? Relationship advice for men

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Veedma's editorial team: Evidence-based men's health
Apr 23, 2026 · 14 min read

Male intimacy, libido, and sexual health are shaped by hormones, blood flow, mood, pain, and relationship quality, and true testosterone deficiency is only diagnosed when symptoms persist alongside low testosterone on properly timed morning testing, with LH and FSH measured to classify primary versus secondary hypogonadism. That is why good relationship advice for men starts ...

Best immunity boosting foods for men: What to eat to support your immune system year-round

Best immunity boosting foods for men: What to eat to support your immune system year-round

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Veedma's editorial team: Evidence-based men's health
Feb 13, 2026 · 13 min read

The best immunity boosting foods are the ones that reliably provide the micronutrients and bioactive compounds your immune cells use to build barriers, signal threats, and resolve inflammation. This guide breaks down the highest-impact foods and shows how men can turn them into a simple, repeatable “immunity plate” for work, travel, and training. Written by: ...