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Training

Programs, exercise technique and load planning.· 48 articles

Training

Myths About Theacrine

Myths about theacrine: does it really cause no tolerance, is a "natural" stimulant safe, and does it boost strength. An editorial breakdown with references to studies.

Andriy Melnyk · 9 min
Nutrition

What to Combine Theacrine With

What to combine theacrine with: caffeine, L-theanine, creatine, beta-alanine and undesirable combinations. A practical editorial breakdown that takes research and safety into account.

Iryna Bondar · 7 min
Recovery

Paraxanthine: What It Is and How It Works

Paraxanthine — the principal metabolite of caffeine: chemistry, metabolism via CYP1A2, mechanism of action on adenosine receptors, differences from caffeine, and the limitations of research.

Maksym Shevchuk · 6 min
Tips

Side Effects of Paraxanthine

Side effects of paraxanthine: effects on sleep, the nervous system, blood pressure and the heart, digestion, signs of overdose, and interactions with medications via CYP1A2.

Andriy Melnyk · 8 min
Nutrition

Who Should Not Take Paraxanthine

Who should not take paraxanthine: pregnancy, adolescence, heart disease, anxiety disorders, epilepsy, stomach and liver diseases, and interactions with medications.

Olena Koval · 6 min
Recovery

Myths About Paraxanthine

Myths about paraxanthine: "no side effects," "just expensive coffee," "builds muscle," "does not depend on genetics" and "no tolerance." Checking the claims against research.

Andriy Melnyk · 5 min
Reviews

What to Combine Paraxanthine With

What to combine paraxanthine with depending on the goal: L-theanine for concentration, creatine and beta-alanine for strength, carbohydrates for endurance. Undesirable combinations and drug interactions.

Iryna Bondar · 10 min
Tips

Myths About Theacrine

Myths about theacrine: does it really cause no tolerance, is a "natural" stimulant safe, and does it boost strength. An editorial breakdown with references to studies.

Maksym Shevchuk · 5 min
News

What to Combine Theacrine With

What to combine theacrine with: caffeine, L-theanine, creatine, beta-alanine and undesirable combinations. A practical editorial breakdown that takes research and safety into account.

Olena Koval · 4 min