NordVital Free Wellness Tools
19 free evidence-based interactive tools and comparisons โ built on peer-reviewed clinical data. No signup, no ads on tools.
Stack Builder
Pick your goal + level โ personalized supplement stack with doses & top brands.
Dosage Calculator
Get the exact evidence-based dose for 20+ supplements by bodyweight + goal.
Comparator
20 supplements side-by-side: dose, evidence grade, contraindications. Filter by category.
TDEE + Macros
Calorie + macro split for your goal (fat loss / maintain / muscle). Mifflin-St Jeor equation.
Interaction Checker
Check known interactions between 18 supplements and common medications.
Omega-3 Dosage Calculator
Your daily EPA+DHA target by goal, the right form, and how to take it.
Vitamin D Dosage Calculator
Your daily D3 (IU) dose by goal and sun exposure, plus whether to add K2.
Ashwagandha Dosage Calculator
Your dose by goal (stress, sleep, testosterone), KSM-66 vs Sensoril, and timing.
All tools free, no signup, evidence-based. See methodology โ
Recovery & gear tools
Free interactive calculators and finders for cold plunge, sauna and red light therapy — built on published research, updated for 2026.
Cold Plunge Protocol Calculator
Your ideal water temperature, session length and weekly frequency by goal.
Sauna Routine Calculator
Personalized sauna temperature, session length and weekly frequency.
Red Light Dosing Calculator
The right wavelength, distance and session time for your goal.
Tools
Get my routine →🔴 PROTOCOL Red Light Dosing Calculator The right wavelength, distance and session time for your goal.
Cold Plunge Cost Calculator
Upfront and running costs for every setup, from DIY ice to all-in-one.
Comparisons & data
Objective spec-and-evidence comparisons the way we wish every review site did them: cited, dated and with no live-price games.
Supplement Dosage Chart
Evidence-based doses, timing and best forms for 16 popular supplements.
Supplement Timing Chart
When to take 16 supplements: morning vs night, with food, and pairs to keep apart.
