23. Supplementary feeding versus no supplementary feeding (control, placebo, standard care, dietary advice), outcome: nutritional status of children, biochemical parameters.

Review	Target group	Intervention	Outcome	Corresponding risk with intervention (95% CI)	Number of participants (studies)	Certainty of evidence (GRADE)a
Change in haemoglobin (g/L)
Kristjansson 2015a	Disadvantaged infants and young children (aged 3 months to 5 years)	Supplementary feedingb	Change in haemoglobin (g/L)	SMD 0.49 (0.07 to 0.91)c	300 (5)	NR
CI: confidence interval; NR: not reported; SMD: standardised mean difference.

^aAs reported in 'Summary of findings' tables.
 ^bBalanced (one study); high energy (two studies); high lipid (one study); supplementary food (one study).
 ^cLow‐ and middle‐income country (LMIC) randomised controlled trials (RCTs).