Every guide and instrument.
Calculators to dose it, rankings to buy it, comparisons to decide between it.
Calculators
Recovery Protocol Builder
Five questions → your personalized weekly plan
Cold Plunge Calculator
Time-by-temperature + the 11-minute weekly protocol
Sauna Heat-Dose Calculator
Score your week against the Finnish cohort numbers
Red Light Dose Calculator
mW/cm² × time → J/cm², by goal
Ice Bath Cost Calculator
Bagged ice vs. chiller breakeven
Sauna Cost Calculator
Electricity per session at your kWh rate
Contrast Therapy Calculator
Build hot/cold rounds, bank both doses
Gear guides
Best Cold Plunges 2026
$100 tubs to always-cold chillers
Best Cold Plunge Chillers 2026
Always-cold water without ice runs
Best Home Saunas 2026
Blankets, infrared cabins & barrels
Best Sauna Blankets 2026
The apartment heat habit, ranked
Best Red Light Panels 2026
Ranked by measured power per dollar
Best Massage Guns 2026
Ranked by amplitude, not marketing
Best Foam Rollers 2026
Smooth, textured & vibrating, ranked
Best Compression Boots 2026
Pneumatic recovery systems, ranked
Best Recovery & Sleep Wearables 2026
Oura, WHOOP & RingConn compared
Best Recovery Tools 2026
Every category, who needs what
Cold Plunge Equipment Guide
The starter kit: tub, chiller, the rest
Home Sauna Setup Guide
Blanket, cabin, or barrel: placement, power & first firing
Best Recovery Setups
$150 starter kit to a $5,000 recovery room
Reference charts
Recovery Modality Comparison Chart
Sauna, cold, red light, compression & more, side by side
Red Light Therapy Dosing Chart
Irradiance × time → J/cm², plus dose by goal
Massage Gun Specs Chart
Amplitude, stall force, battery, side by side
Recovery Protocol Cheat Sheet
Every temp, time & frequency in one table
Product reviews
All Gear Reviews
Twenty single-product reviews, with the real weakness named
Ice Barrel 500 Review
Buy-once durability vs. a $130 tub of the same water
Paxton Barrel Sauna Review
Real traditional heat, and the electrician it needs
Normatec 3 Legs Review
What $900 of compression actually buys
Hooga HG300 Review
The sensible first panel, with a stated test distance
Oura Ring 4 Review
The subscription you cannot skip
Comparisons
Sauna vs. Cold Plunge
Which one, which order, or both
Infrared vs. Traditional Sauna
The 50°F gap the ads skip
Cold Plunge vs. Cold Shower
What the dose math says
Cold Plunge vs. Ice Bath
Chiller tub vs. bagged ice, costed out
Red Light vs. Infrared Sauna
Not the same thing at all
Sauna vs. Steam Room
Dry heat vs. humid — where the evidence is
Infrared Sauna vs. Steam Room
Two very different home installs
Sauna Blanket vs. Infrared Sauna
The apartment habit vs. the cabin
Theragun vs. Hypervolt
Amplitude, ergonomics, price — head to head
Plunge vs. Ice Barrel
Always-cold $4,990 vs. ice-supplied $1,299
Sauna vs. Hot Tub
Dry heat vs. warm water — and the evidence
Cold Plunge vs. Cryotherapy
Water immersion vs. the -200°F chamber
Foam Rolling vs. Massage Gun
When each one actually wins
Compression Boots vs. Massage Gun
Which recovery tool to buy first
Normatec vs. Budget Compression Boots
Is triple the price triple the boot
Compression Boots vs. Compression Socks
$899 vs. $19, and which one earns it
Theragun Mini vs. Hypervolt Go
Which travel gun, deeper or quieter
Massage Gun vs. Massage Ball
What an $8 ball still does better
Smooth vs. Textured Foam Roller
Why the aggressive one is the wrong first buy
Vibrating vs. Standard Foam Roller
What the motor actually adds
Foam Roller vs. Stretch Strap
Short-term mobility vs. lasting flexibility
Hooga vs. Bestqool Red Light Panel
Irradiance and coverage, not wavelength
Red Light Panel vs. Handheld
Coverage is the whole difference
Inflatable vs. Hard-Sided Cold Plunge
$60 to find out vs. $1,750 to commit
Cold Plunge Chiller vs. Ice
Where the two lines cross
Sauna Blanket vs. Sauna Tent
Dry infrared vs. steam, in a small home
Barrel Sauna vs. Indoor Infrared
Traditional heat vs. a standard outlet
TENS Unit vs. Massage Gun
Pain modulation vs. mobility
Heating Pad vs. Infrared Heating Pad
What the extra $90 actually buys
Ice Pack vs. Cold Plunge for Injury
And why icing is no longer settled
Epsom Salt Bath vs. Cold Plunge
One of these has the evidence
Cupping Set vs. Massage Gun
What the circular marks really are
Sauna Suit vs. Sauna Blanket
Read this before buying a sauna suit
Benefits & is it worth it
Cold Plunge Benefits
What the evidence supports vs. the hype
Sauna Benefits
Heart, brain, endurance — the Finnish data
Red Light Therapy Benefits
Skin, recovery, and where dose matters
Infrared Sauna Benefits
The Waon evidence at ~140°F
Contrast Therapy Benefits
Hot/cold rounds — what holds up
Cold Shower Benefits
The cheapest entry to cold (Buijze)
Are Massage Guns Worth It?
Yes for mobility, no for magic
Is a Cold Plunge Worth It?
The honest cost/benefit verdict
Is Red Light Therapy Worth It?
Verdict by use-case, not vibes
How to & how often
Cold Plunge for Beginners
First session, ramp, and safety
Cold Plunge Breathing Guide
Beat the cold-shock gasp reflex
The Wim Hof Method
Breathing + cold, done safely
How Often Should You Cold Plunge?
The 11-minutes-a-week target
How Long Should You Cold Plunge?
Time by temperature, safely
Best Time to Cold Plunge
Morning, evening, and workout timing
How Often Should You Use a Sauna?
The 4–7×/week dose-response
Sauna Temperature Guide
Ideal temps by sauna type
How Long to Use Red Light Therapy
It is J/cm², not minutes
Sauna for Beginners
First session, temp ramp, what to expect
By goal & use case
Cold Plunge for Muscle Recovery
The soreness-vs-gains tradeoff
Cold Plunge for Inflammation
Supported vs. hyped, and how to dose
Cold Plunge for Weight Loss
Brown fat is real but modest
Cold Plunge for Anxiety
A tool, not a treatment
Does Cold Plunge Boost Testosterone?
The honest, myth-busting answer
Sauna for Weight Loss
Mostly water weight — the honest take
Sauna Detox: The Truth
What sweating does (and does not) do
Red Light Therapy for Skin
Collagen, wrinkles, acne — what works
Red Light Therapy for Hair Growth
LLLT for thinning hair, honestly
Red Light Therapy for Pain
Joint and muscle pain — what holds up
How to Reduce Muscle Soreness
The DOMS toolkit, ranked by evidence
Cold Plunge and Sleep
Why timing makes or breaks it
Cold Plunge and Immunity
29% fewer sick days — the Buijze data
Sauna for Heart Health
The Finnish cardiovascular evidence
Sauna and Blood Pressure
How heat lowers it — and the cautions
Protocols
All Protocols →
Cold, heat & contrast, dosed by the research
Protocol Cheat Sheet
Every temp, time & frequency in one reference table
Huberman Cold Plunge Protocol
Deliberate cold exposure, by the numbers
Huberman Sauna Protocol
Deliberate heat exposure + contrast
Cold Exposure & Dopamine
The neurochemistry, honestly read
Cold Plunge After a Workout
The timing rules that protect your gains
Cold Plunge Temperature Guide
What temp, by goal and experience
DIY Cold Plunge vs. Buying
Stock tanks, chest freezers & real costs
Sauna for Sleep
The evening core-temp rebound protocol
Sauna After Running
The 32% endurance trick (Scoon protocol)
Explainers & FAQs
What Does Cold Water Do to Your Body?
The physiology, start to finish
How Does a Sauna Work?
Heat types and the body's response
What Happens in a Sauna?
The physiological cascade
How Does Red Light Therapy Work?
Mitochondria, wavelengths, dose
What Is Photobiomodulation?
The science behind red light
Can You Cold Plunge Every Day?
The honest yes-with-caveats
Sauna or Cold Plunge First?
The right order, by goal
How Much Ice for an Ice Bath?
The rule of thumb + a table
Is Cold Water Good for Your Skin?
Short-term yes, long-term mixed
Is a Sauna Good When You're Sick?
When it helps, when to skip