Guides
In the Scheunengut guide, we explain vitamins, minerals, plant compounds and dietary supplements clearly and with a solid scientific grounding – from correct intake to the right product for you. Use the search or the topic filters to quickly find what you need.
Biotin: How Long Until It Works?
You've started a course of biotin and you check the mirror critically every morning – but is anything actually happening? Here's the honest answer up front: Visible changes to hair...
Vitamin C: When Is the Best Time to Take It?
Few questions about supplement timing get googled as often as this one: morning or evening, on an empty stomach or with food – when does vitamin C work best? Here's...
Is Melatonin Addictive?
You're thinking about using melatonin to fall asleep, but a worry sits in the back of your mind: "Will my body get used to it - or won't I be...
Melatonin: How Much Makes Sense?
You're standing in front of the shelf or scrolling through the shop - and you see melatonin at 0.5 mg, 1 mg, 5 mg, sometimes even more. The logical question:...
Coffee & Dietary Supplements: What to Watch For?
The morning cup of coffee, along with a handful of capsules – for many, a well-rehearsed ritual. But do the two actually go together? Does the beloved espresso have to...
The Most Common Mistakes With Dietary Supplements
The drawer is overflowing: three half-empty tubs, a powder that never tasted good, capsules you bought "for some day". When dietary supplements leave you frustrated, it's rarely the product itself...
Supplements & Antibiotics
Short and to the point: Certain minerals – above all calcium, magnesium, iron and zinc – can affect the absorption of some antibiotics if both are taken at the same...
Supplements & Thyroid Medication
Short and to the point: Certain minerals – above all calcium, iron and magnesium – can affect the absorption of thyroid medication if taken at the same time. That is...
Timing Your Supplements: Planning Morning & Evening
As a rule of thumb: iron and water-soluble vitamins fit the morning, fat-soluble vitamins and omega-3 go with your main meal, and magnesium and calcium suit the evening. A fixed...
Supplements & Sun: Vitamin D in Summer
It is July, you come back from the lake tanned – and wonder whether the vitamin D capsule is actually superfluous now. Short answer: in high summer, when you are...
Supplements Before or After Exercise?
Short and direct: before exercise, fluids and electrolytes count; after exercise, protein and the replacement of the minerals lost through sweat. Most micronutrients – vitamins, iron, magnesium – work in...
Alcohol & Supplements
A glass of wine with dinner, a cold beer after work – and conscientiously the supplements in the morning: for many people both are part of everyday life without their...
Nutrients in a Stressful Everyday Life
Sound familiar? Coffee instead of breakfast in the morning, something quick from the bakery at lunch, too tired to cook in the evening – and in between everything running at...
Nutrients With Little Appetite in Old Age
A plate that goes back to the kitchen half full – for many older people and their relatives this is everyday reality. The real problem behind it: in old age...
Nutrients When You Eat Little Vegetables
Tuesday evening, the fridge is empty, it will be pasta with ready-made sauce again – and the handful of salad you actually planned on stays a good intention. If that...
Nutrients with Lactose Intolerance: Calcium & Co.
With lactose intolerance, calcium is the main focus – because dairy products are the most important everyday source. Vitamin B2, vitamin B12, iodine and vitamin D can be affected too....
Nutrients on a Gluten-Free Diet
On a gluten-free diet it's above all fibre, some B vitamins, iron, magnesium and zinc that can become scarcer – because with wheat, rye and barley important suppliers fall away...
Nutrients on a Calorie-Reduced Diet
On a calorie-reduced diet the amount of energy drops – but the need for vitamins and minerals stays almost the same. That's why the nutrient density of every meal decides...
Nutrients on a Ketogenic Diet: The Overview
On a ketogenic diet, the electrolytes sodium, potassium and magnesium are in focus above all – because at the start the body excretes more water and minerals. In addition, it's...
Nutrients on a Low-Carb Diet: What to Watch For
Imagine cutting bread, pasta, rice and potatoes from your menu overnight – and with them, a few nutrients that previously came along as a matter of course quietly disappear too....
Vitamin C Deficiency: Signs of a Low Supply
Vitamin C deficiency – the honest short answer: possible signs such as persistent fatigue, delayed wound healing or changes to the gums are non-specific and can have many other causes....
Folic Acid Deficiency: Signs of a Low Supply
You've felt tired and pale for weeks, yet you actually eat “pretty healthily” – and while searching you come across “folic acid deficiency.” Before you get fixated, here's the honest...
Calcium Deficiency: Signs of a Low Supply
You google “calcium deficiency signs” because you're worried about your bones, or a tingling in your fingers has made you suspicious – and you end up at endless symptom lists...
Potassium Deficiency: Signs of a Low Supply
A calf cramp in the middle of the night, and you're already typing “potassium deficiency signs” into your phone. Understandable – but this is a moment for calm rather than...
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