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.
St. John's Wort: Side Effects & Interactions Explained
St. John's wort is one of Europe's best-known herbs – and one of the few where "herbal" doesn't mean "uncomplicated." Here's why: St. John's wort changes the way your body...
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...
Desmodium: Side Effects & Safety Explained
Curious about Desmodium and wondering how well you'll tolerate it? The short answer: this West African plant is generally well tolerated in traditional use, but there are a few things...
Lungwort: Side Effects and Safety at a Glance
Lungwort has a reputation as a mild, well-tolerated herb — and that reputation is well-earned. Still, search for lungwort supplements and you'll keep running into the same term: pyrrolizidine alkaloids,...
Ashwagandha: Dangerous? Side Effects at a Glance
So you've picked up some ashwagandha, or you're weighing whether to – and somewhere between glowing reviews and headlines about liver damage, you're wondering: is this stuff actually dangerous? The...
5-HTP: Side Effects & Safe Use
Before you order 5-HTP, you want to know what to actually expect — not just what it's supposed to do for you. The honest answer: most people tolerate 5-HTP well,...
Bitter Herbs: Side Effects and Safe Use
If you’re searching for “bitter herbs side effects,” you want an honest answer, not a reassuring platitude. Here it is: dandelion, artichoke, milk thistle, and andrographis are among the best-tolerated...
Vitamin B12: Side Effects & Safety, Honestly Explained
Just took a B12 capsule and now you're wondering if that was a good idea? Short answer: yes, and a very safe one. Vitamin B12 is one of the best-tolerated...
Spermidine Safety: Side Effects, Honestly Explained
Thinking about taking spermidine and wondering what it actually does in your body – and whether it comes with side effects? Fair question. The short answer: spermidine is one of...
Piperine Side Effects: What You Really Need to Know
You searched for “piperine side effects” because your curcumin, resveratrol, or berberine supplement contains piperine, and you want to know what you’re signing up for. The short answer: at the...
L-Citrulline: Side Effects & What You Should Know
L-Citrulline is known as the gentler alternative to L-arginine – which is why many people reach for higher doses without a second thought. And rightly so: even large amounts typically...
Caffeine Side Effects: Spot the Signs & Stay Safe
Your heart suddenly starts racing, even though you're just sitting quietly at your desk. Or you're lying awake at midnight, though your last coffee was hours ago. For most people,...
Electrolytes: Side Effects & When Caution Matters
Electrolytes are about as low-risk as supplements get — which is exactly why they end up in your routine several times a day without you noticing: in a sports drink,...
Red Clover: Side Effects & Safe Use
Red clover is the go-to plant for many women in menopause who'd rather listen to their body than reach straight for hormones. So here's the fair question upfront: what does...
Fenugreek: Recognize Side Effects, Dose It Safely
Fenugreek is one of the oldest cultivated plants in the world — and remarkably easy to get along with. Most people tolerate the small, spicy seeds without any issues. Still,...
Thyme: Side Effects & How to Drink It Safely
So you've just brewed a cup of thyme tea for that cough and now you're wondering if it's actually safe? Short answer: yes, very much so. Thyme is one of...
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....
Sage: Side Effects & Safety at a Glance
Maybe you drink sage tea, take an extract, or are wondering whether a short course is right for you — and it's a fair question to ask just how safe...
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...
Wild Yam: Side Effects & Safety, Clearly Explained
Wild yam has a reputation as a gentle “woman’s herb” – but how well is it actually tolerated, and what should you watch out for before taking it? The short...
Probiotics: Side Effects & Safety Explained
Swallowing billions of live bacteria can sound like a bigger deal than it actually is. For the vast majority of healthy adults, probiotics are well tolerated, and the most common...
Omega-3: Side Effects & Safety Explained
Omega-3 is one of the most well-researched nutrients out there – yet it's a fair question to ask what can actually go wrong when you take it. The honest answer:...
Berberine Side Effects: Facts, Not Fear-Mongering
You searched for “berberine side effects” because you want to know what you’re getting into — not because you need something to worry about. Here’s the good news first: most...
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...
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