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.
Aronia: a portrait of the antioxidant berry
Hold a ripe aronia berry up to the light and you barely see any fruit — only a deep, almost inky black-violet. This colour is no coincidence: it is the...
Chaga: the antioxidant mushroom
Anyone who spots it on a birch trunk for the first time takes it for a charred piece of wood: black, cracked, hard as coal. Yet the inside of Chaga...
Longevity: What's Behind the Trend?
“Longevity” is THE buzzword of the health scene – from Silicon Valley biohackers to the bestseller lists. Yet behind this word for a long life lies less of a magic...
Free Radicals & Oxidative Stress Explained
Every second, millions of reactions take place in your cells, generating energy – and, as a by-product, tiny, highly reactive molecules: free radicals. They sound threatening, but they are a...
What Are Antioxidants? Simply Explained
Antioxidants are substances that intercept reactive molecules – known as free radicals – and thereby help maintain a balance within the body. For six nutrients (vitamin C, vitamin E, zinc,...
Glutathione: Liposomal or Regular?
Two glutathione products sit in front of you: a plain capsule and a “liposomal” liquid concentrate that costs a good deal more. Is the premium worth it? Here’s the honest...
Resveratrol: How to Take It & What to Combine It With
You've bought yourself some resveratrol and now you're standing in the kitchen, jar in hand: on an empty stomach or with food, morning or evening, on its own or together...
Astaxanthin: How Much Per Day?
„How much astaxanthin should I actually take?" – this question comes up almost every time someone holds a pack of the deep-red carotenoid in their hand for the first time....
Quercetin: Intake & Bioavailability
You've discovered quercetin, the flavonoid from onions, apples and capers – and immediately run into a term that comes up with hardly any other plant compound as often: bioavailability. But...
How to Take & Dose OPC Correctly
You've bought yourself an OPC supplement and now you're facing the usual questions: How much do I take? Morning or evening? On an empty stomach or with food? And why...
Vitamin E: the fat-soluble antioxidant
When butter goes rancid or a sliced apple turns brown, you're seeing oxidation in action – oxygen attacks fats and cells. It's precisely against this kind of attack that vitamin...
Resveratrol: The Polyphenol from the Grape
It sounds like a contradiction: in parts of France people eat richly, enjoy cheese and red wine – and yet cardiovascular problems were long considered comparatively rare there. The "French...
Glutathione: The Body's Own Antioxidant, Explained Clearly
„Master antioxidant" – that's what glutathione is often called, and for once it isn't marketing hyperbole but biochemistry: hardly any other molecule is so present in just about every one...
NAC (N-Acetyl-Cysteine): Effects, Intake & Key Facts
NAC (N-acetyl-cysteine) is a particularly stable form of the sulphur-containing amino acid L-cysteine – precisely the building block that determines in the body how much glutathione can be produced. That...
Astaxanthin: The Antioxidant from Microalgae
Why is salmon pink? Why are flamingos pink? In both cases the answer is the same molecule - and it is also found in an unassuming freshwater alga, which turns...
Coenzyme Q10: Ubiquinol vs. Ubiquinone & correct intake
In short: Ubiquinol and ubiquinone are not an either-or of two substances - they are the same substance in two states. Ubiquinone is the oxidised, stable and inexpensive classic form;...
Quercetin: The Flavonoid from Sophora Japonica
Quercetin explained: what the flavonoid is, why Sophora Japonica is the concentrated source, how piperine improves absorption and what to look for in quality.
OPC: Grape Seed, Pine Bark & Antioxidants
OPC made simple: what the plant compounds from grape seed and pine bark are, why they are often combined with vitamin C, and what to look for when it comes to quality.
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