Author: Aleksandra Duba

Your protein shake and your supplement drawer are quietly competing for the same job. Here's who actually wins, and when.

NAC has one of the least impressive bioavailability numbers of any popular supplement — and one of the strongest clinical track records. Here's how both can be true at once.

You promise yourself one square. Ten minutes later, half the bar is gone and you feel strangely, undeniably better. That is not a lack of willpower. That is your brain, reacting exactly the way chocolate is built to make it react.

Strong hair and nails aren't built from keratin alone — they're built from cysteine. Here's the beauty chemistry most people never learn about.

Cysteine is not a single-source nutrient. It can reach your cells through at least five distinct routes — dietary, internal synthesis, targeted supplementation, cellular recycling, and metabolic pairing — and each one operates through a genuinely different mechanism.

The skin-brightening supplement aisle is full of noise. Here's what the controlled clinical data actually says about cysteine, glutathione, and skin tone.

Falling in love announces itself in the body before the mind catches up: a racing pulse, sleeplessness that feels like electricity, a single face that eclipses every other thought. For centuries this was the territory of poets; today it is also the territory of fMRI scanners and receptor pharmacology. This article asks a simple question: what actually happens in the brain when we fall in love — and does phenylethylamine (PEA), the molecule most often credited for it, deserve its reputation?

Magnesium is the quiet hero of your body – involved in over 300 enzymatic reactions, it looks after your peace of mind, heart rhythm, muscle strength, sleep and hormones. But not all forms of magnesium work the same way. Choosing the right one isn't a matter of fashion, it's about precise tailoring to your day, the time of day, and your goal.

The cholesterol in your blood has zero connection to the cholesterol in your brain. Zero. And most people have no idea, which means most people have no idea why their brain is slowing down.

The brain is a paradox. It constitutes roughly 2% of body weight but consumes approximately 20% of total energy - almost entirely as glucose under normal conditions. 

Imagine a water filtration plant that processes 180 litres of blood per day, recovering vital nutrients while excreting waste with remarkable precision. That is the kidney. Like any complex industrial system, it degrades with age — and unlike the heart or liver, it has very limited regenerative capacity. By the time most people reach their 70s, kidney function has typically declined by 30–50% from its youthful peak, even in the absence of overt disease.

The heart is the body's most demanding organ. It beats over 100,000 times per day, never resting, never pausing - and to do so, it consumes more energy per gram of tissue than any other organ in the human body.