Guides and Tools for Metabolic Health
Physician reviewed, grounded in the most recent studies.
Editor’s pick · Weight Loss
GLP-1 weight loss 101: how semaglutide and tirzepatide actually work
Latest
Gut Healing 101: How the Gut Lining Repairs and Why It Matters for Whole-Body Recovery
2026-07-27 · 12 min
How online menopause and women's health care works with sipra
2026-07-27 · 12 min
How Your Body Heals: The Three Phases of Tissue Repair, Explained
2026-07-27 · 12 min
NAD+ Explained: What This Molecule Does in Your Cells
2026-07-27 · 15 min
All guides
36 guides, a few new each week
Peptides
11 explainers on recovery, repair and the rules around them. Education from the sipra editorial team, not medical advice.
Tools
Physician-reviewed estimators. None is a diagnosis.
GLP-1 savings calculator
30-second tool
BMI calculator
WHO classification
BMR calculator
Mifflin-St Jeor
Body fat calculator
US Navy method
Calorie calculator
Energy balance
Protein calculator
ISSN bands
Water intake calculator
Per-kilogram method
Waist-to-height ratio
WHtR method
Sleep apnea screener
STOP-BANG
GLP-1 side effect checker
When to worry
Provider cost comparison
What you actually pay
Medicare GLP-1 Bridge check
Could you qualify?
Sleep cycle calculator
90-minute cycles
Am I a GLP-1 candidate?
Self-screen
Semaglutide vs tirzepatide
Compare the two
Daily energy (TDEE)
Maintenance estimate
Healthy weight range
By height & frame
HSA / FSA savings
Pre-tax estimate
Biological age estimate
From biomarkers
A1c & average glucose
Convert the two
Which lab panel fits me?
A few questions
Thyroid panel guide
What to test
Menopause symptom score
Validated MRS
Women's hormone panel
A few questions
Low testosterone screen
ADAM questionnaire
Erectile function index
IIEF-5
Hair-loss stage
Norwood scale