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.
Phenylalanine: Side Effects and Safety
"Contains a source of phenylalanine" — that phrase sits on every can of diet soda, and it trips a lot of people up: what does a sweetener warning have to...
Buying Phenylalanine: How to Recognize the L- and DL-Form
Phenylalanine is the raw material your body uses to build tyrosine — and tyrosine, in turn, is the precursor of dopamine and norepinephrine. On the shelf, you’ll run into it...
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