Simeon Slavchev, PhD

I've been fascinated by natural male hormone optimization since 2016. And ever since I've been going through boatloads of different meta-analyses and scientific data associated with increasing testosterone levels naturally. I hold a PhD degree in public health and have 10+ scientific publications on Google Scholar. Thus, in my collective work here you'll find helpful tricks, natural remedies, detailed product reviews (including stuff I've personally tried)... and more!

TestoGen ingredients

TestoGen Ingredients List – Discover The Complete Formula

Few T boosters can match TestoGen’s proven track record. I’ve personally tried it and totally loved its effects on my libido, sexual prowess and overall manliness! And guess what, the secret is in the TestoGen ingredients! That’s why I’d now like to give you a very detailed and science-backed analysis of its ingredient profile. Although

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Does Nugenix work

Nugenix Effectiveness: Does Nugenix Really Work?

Let’s face it when it comes to the most popular and contemporary products for naturally increasing testosterone levels, Nugenix is always up there among the best T boosters. And logically, many folks are wondering – does Nugenix work? Yes, in theory, it should work by optimizing your natural testosterone production. This supplement uses some proven

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Andro 400 reviews

Discover the Truth About the Andro 400 Reviews & Results

These days, the supplement market is literally flooded with all kinds of testosterone boosters, each having its own pros and cons and relying on solid customer reviews to back up its supposed effectiveness. One of them is definitely Andro 400 and today we’re going to take an in-depth look at the Andro 400 reviews! I

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Testogen vs Testofuel, thumbnail

Testogen vs TestoFuel: In-Depth Comparison

This is my ultra-detailed comparison of two products that I’ve personally tried, Testogen vs TestoFuel: Based on overall effectiveness, price, reputation and my personal experience, the better product between Testogen and TestoFuel is Testogen. Although both products will make you feel manlier, help you build muscle faster and improve your libido, Testogen seems to be

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TestoFuel ingredients

TestoFuel Ingredients – Are They Effective, Harmful or Simply Useless?

Have you ever wondered how many testosterone boosting supplements are out there? Many. And do you know which ones are the top dogs when it comes to naturally stimulating your T production? There are several great ones and one of them happens to be TestoFuel. But what makes it so special… is it the TestoFuel

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TestoFuel side effects

TestoFuel Side Effects – Read This At ALL Cost Before Buying It!

The testosterone boosting supplements niche is a tough one, without a shadow of a doubt. These days testosterone boosters not only have almost steroid-like effectiveness, but they also need to be 100% safe to use. And one of the top dogs is undoubtedly the immensely popular TestoFuel. But what about the TestoFuel side effects –

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Sunlight and Testosterone – Are They Related? [Evidence-Based]

Ah, it’s hard to beat sunbathing on the beach with a good company and a quality drink in your hand. And while we all love spending time on the beach, is there an actual correlation between sunlight and testosterone? Yes, sunlight and testosterone are directly related to each other! According to researchers, direct sunlight exposure

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Does Working Out Increase Testosterone? + Best Exercises

You’re inside the gym, sweating and grunting like an orc (no offense to orcs). You’re there for a reason – you want to be more muscular, manlier and to have more testosterone. But does working out increase testosterone? In short – yes, training will elevate your natural T levels. After doing plenty of research, I

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