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C

Constantly tired, bleeding gums, bruises for no reason? If vitamin C is missing for months, it turns into scurvy, and that still exists today. Which symptoms really be...

The DGE recommends 30 g of fibre a day, but most people only get to two-thirds of that. What fibre does in your gut, which foods really deliver a lot, and how to reach...

Zn

Constantly catching colds, slow-healing wounds, brittle hair and nails? Zinc works in hundreds of enzymes but has no storage in the body. How to spot a zinc deficiency...

Ca

Tingling around the mouth, cramps in the hands, brittle nails? The body quietly compensates for a lack of dietary calcium by drawing it from the bones for years. Which...

Mg

Calf cramps, a twitching eyelid, inner restlessness? A magnesium deficiency rarely comes from diet alone — usually losses from medication, alcohol or diarrhoea are inv...

B12

Tingling in your hands, forgetfulness, constantly tired? A vitamin B12 deficiency develops over years and often affects the nerves before the blood. Which symptoms are...

Fe

Tired, pale, hair falling out? Which symptoms are typical, which blood value counts, and which foods refill your stores.

D

Why almost everyone lacks vitamin D in winter, which symptoms are behind it, and how much you really need.

B7

Thinning hair, brittle nails, flaky skin around the nose and mouth? A real biotin deficiency is rare, and there's almost always a trigger behind it. Which symptoms rea...

B5

Tired, irritable, tingling feet? A real vitamin B5 deficiency is almost impossible, because pantothenic acid is found in nearly every food. Which symptoms are proven, ...

B2

Cracked corners of the mouth, chapped lips, a red tongue? Vitamin B2 keeps skin and mucous membranes in order, and a deficiency rarely comes alone. Which symptoms are ...

B1

Tingling in your feet, tiredness, racing heart, and does heavy sweating belong too? Vitamin B1 turns sugar into energy for nerves and heart, and the body only stores i...

Mo

Tired, headaches, thinning hair, and molybdenum is supposedly to blame? A genuine molybdenum deficiency in humans has been documented exactly once, in a patient on int...

Mn

Tired, thinning hair, mood in the dumps, and manganese is supposedly to blame? A manganese deficiency isn't documented in healthy people; too much manganese is the mor...

Why belly fat is so stubborn, what role stress and sleep play, and what really helps against it.

Fibre, fermented foods, less sugar: how to build up your gut flora specifically and keep it healthy long term.

Pre-cooking meals for the week: what meal prep does for you, and how to plan, shop and store.

The ten most effective sports for losing weight, how many calories they burn, and how to stick with it long term.