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.
Nutrients for Concentration & Nerves: The Overview
When your thoughts wander, concentration fades, or you feel inwardly restless, there's rarely a single cause behind it. Sleep, stress, exercise and daily diet all play together. One building block...
Nutrients for the Skin: Vitamins & Minerals
The skin is the body's largest organ – and at the same time its most visible. It constantly renews itself, protects against environmental influences, and regulates fluid balance. All of...
Buying Melatonin: Dosage, Forms & What to Look For
Melatonin is one of the most sought-after products when it comes to evening routines and falling asleep. In shops, you'll find it as tablets, spray, drops, capsules or gummies -...
Milk Thistle or Artichoke? The Comparison
Milk thistle and artichoke often come up in the same breath when the topic is plant-based botanicals. Both belong botanically to the daisy family, both have a long tradition in...
Buying L-Theanine: Purity, Dosage & What to Look For
L-theanine is an amino acid found mainly in the leaves of green and black tea. As a dietary supplement, it is offered either on its own or combined with caffeine...
Buying Iodine: Forms, Dosage & What to Look For
Iodine is a trace element the body cannot produce on its own – it relies entirely on being supplied through food. In regions such as Germany, Austria and Switzerland, the...
Buying Hyaluronic Acid: Molecular Weight & What to Look For
Today, hyaluronic acid can be found as capsules, powder, or drinking ampoules in almost every drugstore and countless online shops – often with very different prices and specifications. That's exactly...
Ginkgo Biloba: Origin, Forms & Use
Few plants are as unmistakable as the ginkgo: its fan-shaped leaves appear on postcards, in poems, and in parks around the world. Botanically, Ginkgo biloba is a living fossil –...
Buying Astaxanthin: Origin, Dosage & What to Look For
Astaxanthin is one of the most striking natural pigments there is: it gives salmon, trout, krill, and flamingos their reddish hue. As a dietary supplement, astaxanthin is usually offered in...
Vitamin D2 or D3? The Difference Explained Simply
Anyone looking into vitamin D products quickly runs into two abbreviations: D2 and D3. The labels then show unwieldy names like "ergocalciferol" and "cholecalciferol," and the question soon comes up:...
Buying Vitamin C: Forms, Dosage & What to Look For
Vitamin C is one of the best-selling dietary supplements of all – and that's exactly why the selection is so confusing. Ascorbic acid, buffered, liposomal, sustained-release, from acerola: each form...
Buying Spermidine: Content, Source & What to Look For
In just a few years, spermidine has gone from a niche term to a fixture on many longevity shelves. Big expectations surround this polyamine, yet the products on the market...
Buying Selenium: Forms, Dosage & What to Look For
Selenium is a trace element the body needs only in tiny amounts – but reliably so. That's exactly what makes buying it a matter of detail: with selenium, only a...
Rutin: Flavonoid, Forms & Use
Anyone who looks into plant compounds sooner or later comes across rutin – a flavonoid found in buckwheat, in the flower buds of the Japanese pagoda tree, and in numerous...
Buying OPC: Content, Purity & What to Look For
OPC is one of the most popular plant-based dietary supplements in German-speaking countries – and one of the products where the figures on the packaging are particularly easy to misread....
NAC or Glutathione? Difference, Precursor & Intake
Anyone looking into amino acids and antioxidants quickly comes across two terms that are closely related yet mean something different: NAC and glutathione. Both often appear in the same breath,...
Buying MSM: Purity, Dosage & What to Look For
MSM is one of the best-selling sulphur compounds on the dietary supplement shelf – and at the same time one of the products where quality and price vary enormously. The...
EAA: Essential Amino Acids, Forms & Intake
One abbreviation keeps coming up more and more in the context of sports nutrition and protein intake: EAA. It stands for essential amino acids – the building blocks of protein...
Buying Coenzyme Q10: Ubiquinol vs. Ubiquinone & Quality
Coenzyme Q10 is one of the most sought-after dietary supplements – and at the same time one where product descriptions vary the most. One supplier advertises "ubiquinol," the next "Kaneka...
Nettle: Tradition, Forms & Use
Few wild plants are as well known – and at the same time as underrated – as the nettle. Almost everyone knows the stinging sensation on the skin after an...
Buying Biotin: Dosage, Forms & What to Look For
Hardly any vitamin is as closely associated with hair and nails as biotin. Packaging boasts sky-high doses, and drugstore shelves and online shops are lined with beauty capsules, gummies, and...
Buying B-Complex: What to Look For & Which Forms
A vitamin B-complex brings all eight B vitamins together in one supplement. Sounds simple — but buying one isn't: products vary enormously in the forms they use, their dosages, and...
Ascorbic Acid or Buffered Vitamin C? The Comparison
On the vitamin C shelf, two terms sit side by side that leave many people unsure: ascorbic acid and buffered vitamin C. Is the sour powder the "real" vitamin C...
Too Much Magnesium? Side Effects & Upper Limit
Magnesium is one of the most popular supplements out there – for calf cramps, for your muscles, for stress, or just "to be on the safe side." Because it's seen...
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