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The CLARVA Journal

Evidence first.
Every number cited.

Plain-English guides to ingredients, research and labels. Every study linked. Every number sourced.

TESTO PLUS · Formula

Inside TESTO PLUS: 19 Ingredients, 2,273 mg

Every ingredient, every milligram, and why the formula is built around several jobs instead of one hero ingredient.

Read · 4 min
Ingredient research

Tongkat Ali: What the Human Research Actually Shows

Two randomized human trials, read at the source. What Tongkat Ali did in each, what form was tested, and why the form matters more than the milligrams.

Read · 4 min
Men’s performance

Testosterone After 40: What Actually Changes

Bioavailable testosterone falls about 2–3% a year after 40, according to the Massachusetts Male Aging Study. Here is what that figure means — and what it doesn’t.

Read · 4 min
Men’s performance

Stress, Cortisol and Drive: The Connection Men Miss

Cortisol and testosterone pull against each other. One human trial measured both in the same people. Here is what it found, and what actually lowers the load.

Read · 3 min
Minerals

Zinc and Male Hormone Health: What the Evidence Says

Zinc research is often misquoted. Here is the actual finding, who it applied to, and the difference between correcting a shortfall and topping up a full tank.

Read · 4 min
Men’s performance

Tongkat Ali vs. “T-Boosters”: What Men Should Actually Know

Which testosterone-support ingredients have real human evidence — and how to spot a “booster” that’s mostly marketing.

Read · 4 min
Routine

Why Two Tablets — and Why Week Six Matters More Than Day Three

The serving is two tablets with a meal. The timeline is measured in weeks, not days. Here is why both of those are deliberate.

Read · 3 min
Label literacy

What Is a COA? How to Verify Your Supplement Is Actually Tested

A plain-English guide to Certificates of Analysis — the document that separates verified supplements from marketing claims.

Read · 3 min
Label literacy

What 4:1 and 5:1 Actually Mean on a Supplement Label

Extract ratios, standardization and raw powder, explained in plain English — and the four things to check on any label before you buy.

Read · 3 min

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