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Probiotics and Calcium: study protocols

7 study groups took Probiotics together with Calcium. These are the doses the studies gave. They are not a recommendation.

Probiotics: what the research found →

Dose per serving from research: Probiotics

7 study groups in 5 studies say how much Probiotics participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 0.25 billion CFU to 0.5 billion CFU and 0.5 billion CFU to 1 billion CFU and 5 billion CFU to 10 billion CFU, 29% of 7 study groups each.

Daily doseStudy groups
0.1 billion CFU or less
1
0.1 billion CFU to 0.25 billion CFU
0
0.25 billion CFU to 0.5 billion CFU
2
0.5 billion CFU to 1 billion CFU
2
1 billion CFU to 2.5 billion CFU
0
2.5 billion CFU to 5 billion CFU
0
5 billion CFU to 10 billion CFU
2

Dose per serving from research: Calcium

6 study groups in 4 studies say how much Calcium participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mg to 500 mg, 67% of 6 study groups.

Daily doseStudy groups
250 mg to 500 mg
4
500 mg to 1 g
1
1 g to 2.5 g
1

Commonly used together

2 of 7 study groups took Probiotics and Calcium with something else, but nothing that 3 or more different studies gave.

7 study groups

Study
Randomized trial of probiotics and calcium on diarrhea and respiratory tract infections in Indonesian children
2012 · RC with Lactobacillus reuteri DSM17938 (reuteri) · Healthy children aged 1 to 6 years in low-socioeconomic communities of Jakarta, Indonesia
0.51 billion CFU440 mg26 weeks124
Probiotics Lactobacillus reuteri DSM 17938 and Lactobacillus casei CRL 431 modestly increase growth, but not iron and zinc status, among Indonesian children aged 1-6 years
2013 · reuteri · Healthy Indonesian children aged 1–6 years in low-socioeconomic urban communities of Jakarta
0.5 billion CFU440 mg26 weeks124
Randomized trial of probiotics and calcium on diarrhea and respiratory tract infections in Indonesian children
2012 · RC with Lactobacillus casei CRL431 (casei) · Healthy children aged 1 to 6 years in low-socioeconomic communities of Jakarta, Indonesia
0.51 billion CFU440 mg26 weeks120
Probiotics Lactobacillus reuteri DSM 17938 and Lactobacillus casei CRL 431 modestly increase growth, but not iron and zinc status, among Indonesian children aged 1-6 years
2013 · casei · Healthy Indonesian children aged 1–6 years in low-socioeconomic urban communities of Jakarta
0.5 billion CFU440 mg26 weeks120
A young child formula with Limosilactobacillus reuteri and GOS modulates gut microbiome and enhances bone and muscle development: a randomized trial
2025 · experimental young child formula (EYCF) · Healthy Filipino boys and girls aged 24–36 months
0.1 billion CFU—26 weeks91
A combination of calcium phosphate and probiotics beneficially influences intestinal lactobacilli and cholesterol metabolism in humans
2012 · LPC37 plus CaP · Healthy, moderately hypercholesterolemic men and women
10 billion CFU1 g4 weeks32
Effects of Multispecies Probiotic Supplementation on Serum Bone Turnover Markers in Postmenopausal Women with Osteopenia: A Randomized, Double-Blind, Placebo-Controlled Trial
2024 · multispecies probiotic group · Postmenopausal women aged 45–70 with osteopenia
8 billion CFU1.2 g12 weeks20