All guides

Evidence-based guides for one goal each. Delivered by email right after checkout.

−€10

Pick any two guides and get €10 off.

Applied automatically at checkout. No code needed.

Debloat Protocol by Halo Protocol
Also in the Lean Stack

Debloat

Daily targets for the water your face holds: salt, potassium, carbs and timing.

25 research sources~25 min read

€35 View the guide
Diet Tracking Protocol by Halo Protocol
Also in the Build Stack

Diet Tracking

Log a full day of food in about two minutes, with numbers you can trust.

9 charts and visuals~7 min read

€12 View the guide
Fat Loss Protocol by Halo Protocol
Also in the Lean Stack

Fat Loss

Set your deficit, protein and training so the weight you lose is fat, not muscle.

25 research sources~17 min read

€29 View the guide
Heightmax Protocol by Halo Protocol

Heightmax

What changes real height, what only changes how tall you look, and which applies to you.

45 research sources~34 min read

€34 View the guide
Metabolic Health Protocol by Halo Protocol

Metabolic Health

Energy, body composition and the habits that move them, plus the test worth asking for.

49 research sources~25 min read

€29 View the guide
Muscle Gain Protocol by Halo Protocol
Also in the Build Stack

Muscle Gain

Sets, effort, reps, rest and protein for size, checked against the studies.

16 research sources~13 min read

€24 View the guide
Strength Gain Protocol by Halo Protocol
Also in the Build Stack

Strength Gain

The strength-specific numbers, and where they differ from training for size.

10 research sources~9 min read

€24 View the guide
Three guides, one goal, one priceThe Goal Stacks bundle the guides that work best together, for less than buying them one by one.See the Goal Stacks

Coming next: pre-order now

These guides are still being written. Pre-order one, or all of them together, and get each by email on its release day.

Presale Stack

Save €21
  • Skin Protocol€15
  • Nootropics Protocol€15
  • Hair Loss Protocol€15
  • Sleep Protocol€15
€39 €60 if bought separately
See what's coming
Sleep Protocol by Halo Protocol
Presale

Sleep

Release date coming soonDelivered by email on release

€15 presale See details
Hair Loss Protocol by Halo Protocol
Presale

Hair Loss

Release date coming soonDelivered by email on release

€15 presale See details
Nootropics Protocol by Halo Protocol
Presale

Nootropics

Release date coming soonDelivered by email on release

€15 presale See details
Skin Protocol by Halo Protocol
Presale

Skin

Release date coming soonDelivered by email on release

€15 presale See details

You pay when you order. Changed your mind? Email us within 14 days of ordering for a full refund. If a guide misses its release date, you can cancel it for a full refund.

Three guides for one goal, at one price

Curated sets that work together. Cheaper than buying the guides one by one.

Build Stack

Save €21
  • Muscle Gain Protocol€24
  • Strength Gain Protocol€24
  • Diet Tracking Protocol€12
€39 €60 if bought separately
Get the Build Stack

Lean Stack

Save €27
  • Fat Loss Protocol€29
  • Debloat Protocol€35
  • Diet Tracking Protocol€12
€49 €76 if bought separately
Get the Lean Stack

Presale Stack

Save €21
  • Skin Protocol€15
  • Nootropics Protocol€15
  • Hair Loss Protocol€15
  • Sleep Protocol€15
€39 €60 if bought separately
See what's coming
Instant deliveryA download link arrives by email right after checkout.
Reads on any deviceOne web page file. Every chart opens full size with a tap.
Every claim sourcedEach guide links every claim to the study behind it.