Iron Absorption Calculator
Enter your meals (one per line):
Example: Oatmeal with milk and tea
Standard Food Values (Optional)
Enter standard nutrient values:
Enter any text about standard nutrient values for common foods. The AI will use this information as reference.
Example: Oatmeal typically contains 250mg phytate and 1.5mg non-heme iron. Milk has 120mg calcium per 100ml.
OpenAI Model:
GPT-4o
GPT-4o-mini
Estimate from ChatGPT
Serum Ferritin (µg/L):
5
10
15
20
25
Meal
SF
C
MFP
T
P
Ca
NH
Absorption %
Absorbed (mg)
SF15 %
SF15 (mg)
SF50 %
SF50 (mg)
Manual Entry
15.0
Warning:
Modifying the calculation weights will alter the scientific method used in the calculations. This should only be done for experimental purposes and with full understanding of the implications.
Adjust Calculation Weights (Experimental)
Serum Ferritin (SF) Weight:
Vitamin C (C) Weight:
Meat/Fish/Poultry (MFP) Weight:
Tannins (T) Weight:
Phytate (P) Weight:
Calcium (Ca) Weight:
Non-heme Iron (NH) Weight:
Base Constant:
Reset to Default Values