Calcium supplements differ in efficacy from foods fortified with calcium
the verdict
SUPPORTED
the evidence backs this
confidence 87/100
Scientific evidence demonstrates that calcium absorption and bioavailability differ depending on whether the mineral is consumed via foods, fortified matrices, or distinct supplement formulations.
Evidence for · 3
Calcium absorption and calcium bioavailability
1992 · cited by 80
Discusses how the bioavailability of calcium varies widely depending on whether it comes from natural food sources like milk versus specific calcium salt supplements.
See more details
More for · 2
Bioavailability of calcium in an enriched postbiotic system compared to calcium citrate in healthy postmenopausal females; A randomized, double-blind, comparator-controlled, crossover study
2023 · cited by 10
Demonstrates that calcium delivery systems (such as postbiotic food matrices versus conventional calcium citrate supplements) yield significantly different bioavailability profiles.
Micronutrient bioavailability: concepts, influencing factors, and strategies for improvement.
2025 · cited by 2
Notes that vitamins and minerals added to foods or taken as supplements often differ in bioavailability due to food matrices and absorption dynamics.