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.
Buying Spermidine: Content, Source & What to Look For
In just a few years, spermidine has gone from a niche term to a fixture on many longevity shelves. Big expectations surround this polyamine, yet the products on the market...
Buying Omega-3: EPA/DHA, Fish Oil vs. Algae Oil & Quality
One look at the shelf or an online shop, and the confusion is complete: fish oil, algae oil, krill oil, capsules, liquid oil, "high-dose," "purified," "sustainable." Almost every product promises...
Buying Magnesium: Forms, Dosage & What to Look For
A look at the shelf doesn't make things any easier: bisglycinate, citrate, oxide, malate, threonate, "high-dose," "with 400 mg" – among dozens of products, the price per tub is barely...
Buying Turmeric & Curcumin: Bioavailability & Forms
Turmeric is one of the most popular plant compounds on the supplement shelf, and that's exactly why the market is so vast and confusing. Powder, capsules, extracts, micellar drops, liposomal...
Buying iron: forms, tolerability and what to look for
Iron is one of those nutrients where more isn't automatically better. Quickly adding a product to your basket because you feel tired is understandable, but rarely the best idea. That's...
Quality Seals for Supplements, Explained
You’re standing in front of the shelf, or scrolling through an online shop, and every other tub promises you “premium,” “lab-tested,” “highest purity,” or carries a neat round logo that...
Switch Supplement or Stick With It?
The jar is barely half empty and the next supplement is already tempting: a different form, a new composition, a better price, an advertising promise that hits exactly your sore...
Supplement Subscriptions: Worth It or Not?
Picture reaching into the cupboard one morning and the jar is empty – of all things, the very supplement you've taken every day for months. A two-week gap until the...
Buying supplements on a budget: how to do it right
Two jars, almost the same price on the label – and yet one is twice as expensive as the other. How is that possible? Because the pack price says nothing...
Dietary Supplements: Sensible or a Waste of Money?
Short and to the point: supplements are neither a miracle cure nor a rip-off. They make sense when used in a targeted way – for a proven deficiency or increased...
Which Supplement Fits Your Goal? The Big Overview
The big overview: which nutrients match which goal – from sleep to energy and immune system to longevity – with honest quality and combination tips.
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