Compare Supplements

Side-by-side comparison of 2 supplements

CA8.8

Calcium

Moderate safety

LF7.5

Lactoferrin

Limited safety

Evidence

Evidence Score8.8/10

Studies: 106

Meta-analyses: 38

Evidence Score7.5/10

Studies: 21

Meta-analyses: 16

Outcome Grades

Prenatal supportA

Support immune systemD

Reduce inflammationC

Improve digestionD

Improve skin healthD

Prenatal supportB

Support immune systemB

Reduce inflammationB

Improve digestionB

Improve skin healthC

A-F grade per outcome, combining overall evidence with goal-specific relevance. A = strong evidence; F = insufficient. Hover a badge for details.

Pooled effect-size head-to-headBeta

Direct side-by-side from the meta-analysis. Each row is an outcome where ≥2 of your selected supplements have pooled data. Best effect per row highlighted.

Outcome	Calcium	Lactoferrin
Reduce inflammation — Crp − better · mg/L	−0.3 weak · CI ∋ 0	−1.2 weak · CI ∋ 0
Prenatal support — Maternal Hemoglobin + better · g/dL	+1.2best weak	+0.8 weak

Click an outcome to see the full ranked table on the goal page.

Dosage & timing

Dosage:

1200mg

Best Time:

Split through the day · with food

Take with food

Form:

Calcium Citrate

Dosage:

300mg

Best Time:

Between meals

Can take on empty stomach

Form:

Bovine lactoferrin capsule or powder (≥95% purity)

What you'll notice

🦴 Improved Bone Mineral Density70%

6-24 months

🛡️ Reduced Fracture Risk55%

12-36 months

🤱 Preeclampsia Prevention in Pregnancy65%

Throughout pregnancy

🛡️ Fewer Respiratory Infections60%

4–8 weeks of use

🩸 Improved Iron Status70%

4–8 weeks

🔥 Lower Inflammatory Markers55%

4–8 weeks

Safety

Moderate safety

Contraindications:

Hypercalcemia (elevated blood calcium) — calcium supplementation is absolutely contraindicated
Hypercalciuria (elevated urinary calcium excretion) without medical supervision
Primary hyperparathyroidism without medical supervision

Drug Interactions:

Bisphosphonates (alendronate, risedronate)
Levothyroxine (thyroid hormone)
Tetracycline antibiotics (doxycycline, tetracycline)

Side Effects:

ConstipationBloating and gasNausea

Limited safety

Contraindications:

Known allergy to bovine milk proteins (risk of cross-reactivity)
Hemochromatosis or iron overload conditions (holo-lactoferrin form could worsen iron loading)
Active malignancy — theoretical concern due to growth-promoting activity on epithelial cells (consult oncologist)

Drug Interactions: