Evidence-Based Guides
The DOSED Blog
Deep dives on supplements for European buyers — studies, EU legality, and real vendor picks. No hype.
Latest
Peptides · Germany Regulatory
Is BPC-157 Legal in Germany in 2026? The Complete Regulatory Guide
BPC-157 sits in a contested grey zone under German law. The wrong assumption can move a personal experiment into AMG §95 criminal exposure. Three legal categories, customs reality, and what BfArM actually says.
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Nootropics · UK Regulatory
How to Get Modafinil Legally in the UK in 2026: NHS, Private Prescription, and Import Reality
Modafinil is POM Schedule 4 in the UK. The 2025 MHRA crackdown closed 14 private clinics. Realistic costs, the personal-import 3-month rule, and what every UK biohacker actually needs to know.
Longevity · NL Regulatory
Is NMN Legal in the Netherlands in 2026? Novel Food Status and Where to Source Legally
NMN was classified as a Novel Food in June 2024. But Dutch biohackers misunderstand three things about what that actually means. NVWA enforcement reality, three legal routes, vendor due diligence.
Sleep · Protocol
Andrew Huberman's Sleep Stack Is Missing 2 Compounds: A 2026 European Re-Build
Two compounds with stronger published sleep evidence are missing from his protocol. Here is the 2026 European re-build with full doses and EU vendor picks.
Performance · Hormones
Tongkat Ali For Men Under 40: A 12-Week European Buyer's Guide (2026)
Tongkat Ali standardised extract at 200–400 mg/day raised free testosterone 37% in published trials. Full 12-week protocol and vendor verification checklist.
Sleep · Compound
The Apigenin Protocol: Why 50 mg Is a Joke and What the Research Actually Supports
Apigenin's bioavailability is 1–5%. The 50 mg dose most biohackers take is below the chamomile clinical trial range. Full pharmacokinetics and EU vendor sources.
Industry · Label Literacy
Proprietary Blends: The Supplement Industry's Biggest Legal Scam
If your supplement label says "proprietary blend," the manufacturer is hiding something. Here is what they do not want you to know — and how to read labels like a scientist.
Performance · Timeline
What Actually Happens to Your Body and Brain After 90 Days of Creatine
Week by week breakdown of what creatine does to your muscles, brain, and mitochondria over 90 days. Based on published research, not gym bro speculation.
Antioxidants · Deep Dive
NAC (N-Acetyl Cysteine): The Most Underrated Supplement in Europe
NAC raises glutathione, protects the liver, thins mucus, and may support mental health. It was nearly banned in the US. Here is the full evidence guide for European buyers.
Nootropics · Cognitive Stack
The Real-Life NZT-48: Building a Nootropic Stack That Actually Works (2026)
Forget the Limitless movie pill. These are the compounds with actual published evidence for cognitive enhancement — available legally in Europe. A layered protocol built on 9 compounds across 3 tiers.
Gut Health · Brain
Your Gut Controls Your Brain: 4 Compounds That Fix the Connection
90% of serotonin is made in the gut. The vagus nerve is a direct highway to your brain. Here are 4 compounds that repair the gut-brain axis — with published evidence.
Protocols · Timing Guide
When You Take It Matters More Than What You Take: The Complete Supplement Timing Guide
Taking zinc with food cuts absorption by 50%. Fat-soluble vitamins without fat absorb at a fraction of their potential. The complete evidence-based timing guide for every major supplement.
Nutrition · Omega-3
Omega-3 Fish Oil: Dosage, Forms, and the Best European Sources (2026)
Not all omega-3 supplements are equal. Full guide to EPA vs DHA ratios, rTG vs ethyl ester forms, optimal dosing, and where to buy quality fish oil in Europe.
Nootropics · Science
Creatine Is a Brain Drug: The Cognitive Benefits Nobody Talks About
Creatine monohydrate improves cognitive performance, fights mental fatigue, and may protect against neurodegeneration — for about €0.05/day.
Adaptogens · Comparison
Ashwagandha vs. Rhodiola Rosea: Which Adaptogen Do You Actually Need?
Ashwagandha lowers cortisol. Rhodiola fights fatigue. Both are adaptogens — but they work differently. Full comparison with studies, dosage, EU forms, and when to use each.
Vitamins · Dosage Guide
Vitamin D3 + K2 Dosage Guide for Europe: How Much Do You Actually Need?
The EU recommends 200 IU of vitamin D. Research says that's not enough. Full dosage guide for D3 + K2, with EU-specific data, blood testing, and where to buy.
Nutrition · Science
Magnesium Glycinate vs. Bisglycinate vs. Malate: Which Form Should You Take?
Magnesium glycinate and bisglycinate are the same compound. Malate is genuinely different. Real breakdown with 11 cited studies and EU brand picks.
Sleep · Protocol
The Huberman Sleep Stack in Europe: What to Buy, What to Skip, and Exact Doses
Everything European buyers need to know about magnesium L-threonate, apigenin, and L-theanine — with EU vendor picks and melatonin legality.
Longevity · NAD+
NMN vs. NR: The Complete European Buyer's Guide to NAD+ Supplements (2026)
Which NAD+ precursor is worth your money in Europe? Clinical evidence from 10+ trials, EU Novel Food legal status, and practical dosing.
Blood Sugar · Comparison
Berberine vs. Metformin: What the Research Actually Says About Blood Sugar
A 46-trial meta-analysis found berberine matches metformin for blood sugar control. Full comparison with mechanisms, dosage, EU legal status, and who should use which.
Nootropics · Mushrooms
Lion's Mane Mushroom: The Complete Evidence Guide for European Buyers (2026)
The only supplement with human data showing it stimulates Nerve Growth Factor. Full guide to dosage, fruiting body vs mycelium, EU sources, and what the research shows.