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.
Quercetin Dosage: The Right Amount Per Day
How much quercetin should you actually take per day? It's a fair question to get stuck on — unlike vitamin C or zinc, quercetin has no officially set daily requirement....
Quercetin in the Spotlight: Sophora Japonica Extract with Guaranteed 98 Percent
Quercetin is one of the best-known flavonoids and occurs naturally in many plants, fruits, and vegetables – for example in onions, apples, capers, red onion skins, or berries. Through an...
Quercetin and Bromelain: Why the Combination Is Often Named Together
Quercetin and bromelain often meet you as a pair in the world of food supplements. One is a plant pigment, the other an enzyme mixture from pineapple, and yet they...
Sophora Japonica Extract: Properties & Quercetin Source
Sophora japonica – the Japanese pagoda tree, also known as the Chinese scholar tree – is the world's most important raw material source for quercetin and rutin extracts. These flavonoids...
Combining Vitamin C & Quercetin: Timing, Dosage & What to Watch For
Anyone looking into quercetin almost inevitably stumbles across vitamin C: hardly any product containing this plant compound comes without the addition "with vitamin C", and many combination products even pair...
Buying Quercetin: Bioavailability & What to Look For
Quercetin is one of the best-known flavonoids and is found in onions, apples, capers and green tea. As a dietary supplement, it's usually sold at high doses – but the...
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...
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...
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.
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