| Study | Reason for exclusion |
|---|---|
| Baker 1978 | Severely malnourished children |
| Batra 2016 | Did not meet requirement for animal‐source food |
| Bauserman 2015 | Did not meet requirement for animal‐source food |
| Bhandari 2001 | Did not meet requirement for animal‐source food |
| de Oliveira 1966 | Severely malnourished children |
| Dube 2010 | Did not meet requirement for animal‐source food |
| Engelmann 1998 | Did not meet requirement for animal‐source food |
| Jalil 2013 | Did not meet requirement for animal‐source food |
| Lartey 1999 | Did not meet requirement for animal‐source food |
| Lin 2008 | Did not meet requirement for animal‐source food |
| Long 2012 | Did not meet requirement for animal‐source food |
| NCT02272543 | Did not meet requirement for animal‐source food |
| NCT02516852 | Did not provide food |
| NCT02791100 | Did not provide food |
| Rosado 2011 | Did not meet requirement for animal‐source food |
| Schlossman 2015 | Did not meet requirement for animal‐source food |
| Skau 2015 | Did not meet requirement for animal‐source food |
| Tang 2016 | Did not provide food |
| Tavill 1969 | Not an RCT or quasi‐RCT |
RCT: randomized controlled trial