DD Digi-Dossier Research, translated.
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What readers said

I've bought quite a few digital guides over the years, but these are by far some of the best. Everything is easy to follow, professionally designed, and full of practical information.
Mason · United States
Great experience from start to finish. The layout is clean, the advice is useful, and the recipes are easy to make.
Felix · Germany
I wasn't sure what to expect, but I was genuinely impressed. The recipes are simple, the guides are well organised, and the whole thing looks premium. I've already gone looking for which one to read next.
Scarlett · United States
The content is clear, easy to understand, and it feels like it was made with real care. I'd recommend these to anyone.
Charlotte · United Kingdom
I went through a couple of the guides and was surprised by the quality. The information is practical, the recipes actually taste good, and everything is beautifully presented.
Lukas · Germany
Very professional and easy to use. The download was instant, and the guides went beyond what I expected.
Leonie · Germany
A really well put together collection. Everything is structured clearly and easy to follow — you can tell a lot of work went into it.
Santiago · Spain
So simple to use, and still so much in it. A few of the recipes have already become part of my week.
Lucía · Spain
Beautifully designed, and the content holds up. Everything feels premium, and I learned a lot from the first one I read.
Éloise · France
Easily one of the best digital guides I've come across this year. The download was simple, the recipes are good, and the health information is presented very clearly.
Louis · France

What you'll take away

  • How to read a supplement claim through an evidence-tier lens, and the three questions to ask before buying anything
  • The real protocol for vitamin D — the test to request, the D3-plus-K2 pairing, and the dose that keeps you in the optimal range
  • Who actually needs omega-3, the EPA/DHA amounts that matter, and how to spot a quality fish oil from the label
  • Which magnesium form to buy for sleep versus constipation versus muscle pain — and which one is just a cheap laxative
  • Why creatine is in a league of its own, the 3–5g daily protocol with no loading phase, and its benefits beyond the gym
  • How to use zinc and ashwagandha for specific, targeted reasons — with the cautions and quality markers that matter
  • A timing guide for when to take what, and the interactions that quietly cut absorption in half
  • The Tier-F "hall of shame" of useless products, and a minimum effective stack that costs 30–50 euros a month

Take a look inside

Read the opening of the protocol before you buy.

The supplement industry is a 150 billion dollar global market, and most of what it sells is either useless or actively harmful to your wallet.

There are three questions to ask before buying anything. First, do I have a measurable reason to take this — a deficiency confirmed by bloodwork, a specific symptom, or a goal I am tracking? Second, what does the highest-quality available evidence say about the dose, the form, and the expected effect size? Third, how will I know within three months whether it is working? If you cannot answer all three clearly, the supplement is probably not worth your money. The honest truth is that the basics are boring — vitamin D in winter, omega-3 if you do not eat fish, magnesium for sleep, creatine for training — and that exciting new compounds usually deliver less than they promise. Boring works. Trendy usually does not.

This is for you if…

  • You've stood in the supplement aisle unsure what's worth buying and what's marketing
  • You want to spend money only on what's actually backed by research
  • You'd rather build a small, effective stack than a cabinet full of half-used bottles
  • You're willing to test, track, and adjust rather than take everything on faith

This is not for you if…

  • You want supplements to replace real food, sleep, and movement rather than support them
  • You're chasing a magic compound that delivers dramatic results overnight
  • You won't test or track anything — the whole approach is built on measuring what works for you
Why you can trust it

The Digi-Dossier Standard

Research-informedGrounded in current science, not guesswork.
Reviewed for accuracyChecked for completeness and clarity before publishing.
Built to be finishedRead in a weekend, acted on Monday.
Four languagesEN, DE, ES, FR — included with every purchase.
  • Format PDF, optimised for phone, tablet, laptop & print
  • Interactive Fillable checklists & trackers — for the interactive fields, open in the free Adobe Acrobat Reader (best on phone & tablet)
  • Languages English, German, Spanish, French — all included
  • Delivery Instant download link, emailed after checkout
  • Access Lifetime — re-download anytime from your account
  • Payment Secure, encrypted checkout

Digital download — all sales final.

Ready to start?

€9,99 — instant access, yours forever.

Most readers go further Get the Looksmaxxing System Includes this dossier & more — save €20,97 View the bundle
The Supplement Guide €9,99