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.
Collagen: Side Effects & How to Avoid Them
The short answer first: collagen is one of the best-tolerated supplements out there. At its core, it’s nothing more than a protein — the same one you already know from...
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...
Valerian: Side Effects & Safety Explained
You're taking valerian, or thinking about it. Here's the good news: valerian root is one of the most well-studied herbs for an evening routine, and its safety profile is well...
Kapsel & Medikament: So baust du deinen Tag
Du hast die Tablettenschachtel in der einen Hand und die Dose in der anderen und fragst dich, ob du jetzt warten musst. Zwei Stunden? Vier? Die gute Nachricht: Du brauchst...
Food Supplements and Blood Thinners: Caution With Vitamin K and Co.
A blood thinner saves lives, but it's also a sensitive medication whose effect is shaped by a surprising number of factors, your daily diet included. Anyone who also reaches for...
Too Much Magnesium? Side Effects & Upper Limit
Magnesium is one of the most popular supplements out there – for calf cramps, for your muscles, for stress, or just "to be on the safe side." Because it's seen...
How Many Supplements Are Too Many?
Take a quick count of what's currently in your kitchen cupboard: magnesium, vitamin D, maybe a multivitamin for peace of mind, omega-3 for the heart, an adaptogen for stressful weeks,...
Creatine: Side Effects and the Myth About the Kidneys
“Creatine is hard on the kidneys” – you've almost certainly heard this line before, maybe even from someone at the gym who “knows it for a fact.” Time to clear...
Melatonin: Side Effects, Tolerability and Safety
You took a small tablet to fall asleep more easily – and wake up in the morning with a "heavy head"? Then you're right at the question this is all...
Vitamin D: Side Effects, Upper Limit and Safe Intake
Vitamin D has developed something of a cult following in recent years – and with it the worry: can you actually get too much of it? The good news first:...
Supplements & Medications: What to Watch For
Short and to the point: Yes, supplements and medications can influence one another – interactions are possible, but not inevitable. Whether the two are a good fit in your case...
Can you take too many vitamins?
"More helps more" – this reflex runs deep. With vitamins, though, it's a fallacy that can backfire in the worst case. Answered directly: yes, you can take too many vitamins...
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