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.
Magnesium & Amino: The Essentials Set in Focus
Want to build both magnesium and amino acids firmly into your daily routine, instead of putting them together separately? That's exactly what the Scheunengut Essentials Set is for: it bundles...
L-Tryptophan: Safe Use in Pregnancy & Breastfeeding
You've probably heard of L-tryptophan — usually mentioned alongside relaxed sleep and a steady mood — and you're wondering whether it's safe to take during pregnancy or while breastfeeding. Or...
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...
L-Arginine: Safe Use During Pregnancy & Breastfeeding
You’ve been taking L-arginine for a while now – for training, circulation, or because your partner talked you into it – and now the pregnancy test is positive, or you’re...
L-Lysine: Safe Use During Pregnancy & Breastfeeding
You’ve been taking L-lysine for a while now – for recurring cold sores, out of sporting interest, or simply as a building block for skin and connective tissue – and...
Best L-Citrulline: What Rankings Miss
Search for 'best citrulline supplement' and you'll get an instant ranking, sorted by star rating and price per capsule. Few ingredients get sorted this poorly: many lists lump citrulline and...
L-Tyrosine: Side Effects You Should Know
Taking L-tyrosine, or thinking about starting — while also having antidepressants, thyroid medication, or blood pressure drugs in your cabinet? Then it's worth taking a closer look before you swallow...
L-Tyrosine: What It’s Really Good For
L-tyrosine shows up everywhere focus, stress resilience, and good mood are discussed — but what is this amino acid actually good for? In concrete terms: it’s the only raw material...
L-Theanine: Side Effects and Safety
L-Theanine is one of the best-tolerated compounds in the entire supplement world — which is exactly why an honest look at its side effects and safety is worth your time....
Buying L-Tyrosine: Forms, Purity & What to Look For
You’ve probably heard of L-tyrosine — as a supplement for stressful stretches, long workdays, or those moments when your brain just won’t cooperate. The problem: shelves are packed with capsules,...
L-Tryptophan: What It's Really Good For
L-Tryptophan gets mentioned in the same breath as sleep, good moods, and the turkey myth all the time — but what is this amino acid actually good for? In concrete...
Amino Acid Capsules: The 4 Criteria That Matter
Type “best amino acid capsules” into a search engine, and you'll get an instant ranking – sorted by star rating and price per capsule. Looks trustworthy, but it's only half...
Buying L-Lysine: What’s Really Inside
Every L-lysine label carries a number in milligrams – but not every number means the same thing. Whether you actually get as much lysine as you’re paying for comes down...
Buying L-Citrulline: Form, Purity & Lab Testing
“Citrulline” or “citrulline malate” — at first glance, they look like the same ingredient under two different names. They’re not, and that difference decides whether your money is well spent....
L-Lysine: Side Effects & Safety Explained
L-lysine has one of the best reputations of any amino acid – your body typically tolerates it extremely well. Still, you've probably come across warnings online, and it's a fair...
Best L-Arginine: The 3 Numbers That Actually Matter
Search for “best L-arginine supplement” and you’ll get an instant ranking — first place, second place, third place, sorted by star rating and price per capsule. Handy, but incomplete: a...
Buying L-Tryptophan: Spot Real Purity & Quality
At first glance, every L-tryptophan capsule looks the same: white powder, a milligram number on the label. The real difference sits elsewhere — in the purity of the raw material,...
L-Tryptophan: Side Effects & Safe Dosage
If you're about to buy L-tryptophan, chances are you've already googled the side effects — and that's exactly the right move. The good news first: at normal doses, this amino...
L-Arginine: Side Effects & What You Need to Know
L-arginine has one of the best reputations among amino acids – and you're right to wonder whether the warnings floating around online actually hold up. The honest answer: L-arginine is...
Buying L-Arginine: Form, Purity & the Right Dosage
L-arginine is one of the best-selling amino acids in the sports and supplement world — and that's exactly why the market is so confusing: base or HCl, powder or capsules,...
Supplements for Vegan Muscle Training: The Set for Plant Power
Building muscle while living a purely plant-based lifestyle – these two things are no longer at odds. More and more athletically active people are impressively showing that vegan muscle training...
Supplements for Marathon Training: The Set for Runners
A marathon begins long before the starting gun. The decisive weeks are the ones spent preparing: long runs, growing mileage, targeted recovery. During this time, the body is under a...
Supplements for Combat Athletes: The Set for Strength & Recovery
Sparring, strength training and technique sessions: combat sports combine explosive exertion with a high training volume. Boxing, wrestling, MMA or karate all demand muscle strength, recovery and mental freshness in...
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