The BIEN Journal

Lion's mane, reishi, cordyceps, chaga: benefits, differences, doses and precautions. The complete guide to choosing the right adaptogenic mushroom.

Breathing, physical activity, sleep, adaptogens… 7 natural, concrete solutions to reduce stress and regain your everyday calm.

Memory, focus, mental clarity: what the studies really say about Lion's Mane, at what dose, for how long, and how to recognise an extract worth its price.

Stress, cortisol, sleep: what the research really shows about ashwagandha, at what dose, in what form — and the precautions few pages mention.

Three mushrooms, three different uses: calm, endurance, antioxidants. What each actually does, at what dose, and how not to buy the wrong one.

Trouble falling asleep, waking at 3am: the levers that work, ranked by real effectiveness — and the popular ones that do nothing.

Neither good nor bad: cortisol is a hormone of rhythm. How it works, what really disrupts it, what brings it down — and the myths in circulation.

Slowed thinking, words that escape you, concentration out of reach: the causes of mental fog by frequency, the useful blood work and what actually helps.

Too much coffee, too much jitter? What matcha, guarana, L-theanine and chicory are really worth — and how to cut down without three foggy days.