Systematic reviewindependent cross-checkabstract checked I-DRY-104 standard review
Children drinking plant milks instead of cow milk tended to be shorter and lower in vitamin D
A Systematic Review on the Impact of Plant-Based Milk Consumption on Growth and Nutrition in Children and Adolescents.
Overview
Soczynska I et al.. J Nutr 2024 · PMID 39332772 · DOI 10.1016/j.tjnut.2024.09.010
Six small studies; fortified soy milk may be an adequate alternative for bone.
Does the study support the specific claim? No · Methodological quality: low
Plain-language summary
Study explained simply
- What did the researchers want to find out?
Check how plant milks affect children's growth.
- How was the study done?
Systematic review.
- How many people, animals or samples were studied?
6 studies, 15,815 children.
- What was actually found?
Lower height, BMI and vitamin D with plant milk; fortified soy may help bone.
- How large was the observed effect?
No pooled number.
- What do the results mean in everyday life?
If milk is removed, a fortified alternative is needed.
- What are the study's limitations?
Observational, few studies.
- What does it say about Elawady's specific claim?
Supports the safety note.
- Do the results apply to Germany and Europe?
Applicable.
- What can explicitly not be concluded from this study?
Cannot prove that plant milk causes shorter height.
Scientific in-depth review
1. Full reference
- Authors
- Soczynska I et al.
- Journal
- J Nutr
- Year
- 2024
- Identifier
- PMID 39332772 DOI 10.1016/j.tjnut.2024.09.010
- Verification
- verified – PubMed efetch 2026-10-26
- Retracted
- no
- Corrections
- none
- Extent checked
- abstract only
- Conflicts of interest and funding
Not stated in abstract; one co-author lists many industry relationships incl. a past grant from Dairy Farmers of Canada and grants from plant-food organisations.
2. Research question
How does plant-based milk consumption affect growth and nutrition in children aged 1-18 y?
3. Study design and population
- Study design
- Systematic review – Systematic review (MEDLINE, Embase, CENTRAL, CINAHL, Scopus etc., 2000-2024; PROSPERO CRD42022367269); no meta-analysis
- Population
Children 1-18 y
- Country
Multinational
- Period
2000-2024
- Sample size
6 studies (3 cross-sectional, 1 cohort, 2 trials); total n = 15,815
- Inclusion and exclusion criteria
Studies evaluating growth/nutrition effects of plant-based milk in children
4. Methods and endpoints
- Exposure / intervention
Plant-based milk
- Comparator
Cow milk
- Endpoints
BMI, height, micronutrients, bone density
- Statistical methods
Narrative synthesis
5. Actual results
- Results
Observational studies: plant-based milk associated with lower childhood BMI, height and serum vitamin D vs cow milk; no association of soy milk with BMI in adolescent girls; low-quality trials showed minimal growth effects; in one study, adolescent girls with low calcium intake who drank fortified soy milk had higher bone density than those who did not.
- Absolute risks
not reported
- Authors' conclusion
Children who consume plant-based milk may have lower BMI, height and micronutrient intake than those who consume cow milk; fortified soy milk may support bone health in adolescents who do not drink cow milk.
6. Strengths
- Comprehensive multi-database search
- Registered protocol
7. Weaknesses
- Only 6 studies, mostly observational
- Confounding likely
- Heterogeneous products (fortification varies)
8. Risk of bias
- Orienting tool
- AMSTAR 2
- Type of assessment
- simplified assessment (abstract only)
- Full formal assessment
- no
- Overall risk of bias
- some concerns
- Rationale
Good search; weak primary evidence.
9. Assessment of the statistical interpretation
Associations only; no pooled estimate.
10. Relevance to the specific claim
Shows that replacing cow milk in children is not neutral unless the substitute is fortified and nutritionally adequate.
11. Independent contrary findings
Fortified soy milk may be an adequate alternative for bone health.
12. Transferability to Germany and Europe
Applies to Egypt; fortified alternatives may be less available (not verified).
13. Overall methodological judgement
Low-certainty but safety-relevant: avoid unplanned removal of milk in children.
| Multidimensional assessment | |
|---|---|
| Authenticity of the source | verified |
| Methodological quality | low |
| Risk of bias | some concerns |
| Precision of results | low |
| Directness | indirect |
| Reproducibility | unknown |
| Consistency with the overall evidence | mixed |
| Regional transferability | moderate |
| Adequacy of the interpretation (by the archive) | not applicable |
14. Open questions
Long-term growth effects; RCTs.
15. Linked fact checks
- Milk is a 'substitute for blood' and carries every hormone, pesticide and antibiotic the animal received; therefore milk must be avoided. – Studies contradicting or limiting the claim