Comparative level of iron consumption adjusted for absorption

	A	B	C	D	E	F	G	H	I	J	K	L	M
1	Level of additional iron intake in Gera et al. 2012
2	Note: NM = not mentioned
3	Study	Meta-analysis weight (%)	Fortification salt	Extra iron in food (mg per 100g)	Fortification intake per day (mg)	Fortification frequency (days/week)	Fortification vehicle	Duration of fortification (months)	Total additional iron intake per year (mg)	Total additional iron intake per week (mg)	Absorption discount factor relative to NaFeEDTA within that fortification vehicle	Total additional iron intake per year adjusted for absorption difference with NaFeEDTA (mg)	Total additional iron intake per week adjusted for absorption difference with NaFeEDTA (mg)
4	Ballot (1989)	5.67%	NaFeEDTA	140	7.7	7	Curry Powder	24	2802.8	53.9	1	2802.8	53.9
5	Olivares (1990)	4.12%	Haem (bovine haemoglobin)	17	5.1	4	Biscuit	15	1060.8	20.4	1	1060.8	20.4
6	Javaid (1991)	5.35%	Ferrous sulphate and ferric pyrophosphate	7.5	4.2	7	Complementary food	8	1019.2	29.4	0.25	254.8	7.4
7	Stevens (1995)	2.74%	Ferrous sulphate	1.1	5.5	7	Infant milk substitute	12	2002	38.5	0.625	1251.3	24.1
8	Singhal (2000)	2.80%	Ferrous sulphate	1.1	5.7	7	Infant milk substitute	9	1556.1	39.9	0.625	972.6	24.9
9	Thuy (2003)	4.47%	Sodium FeEDTA	100	10	6	Fish sauce	6	1560	60	1	1560.0	60.0
10	Zimmerman (2003)	5.34%	Ferrous sulphate	100	9.2	7	Salt	9	2511.6	64.4	0.3333	837.2	21.5
11	Thuy (2005)	4.01%	Sodium FeEDTA	50	5	7	Fish sauce	18	1820	35	1	1820.0	35.0
12	Zimmerman (2005)	5.49%	FeSO4 monohydrate/electrolyte iron/H-reduced iron	NM	12	6	Cookies, bread	8.1	2527.2	72	0.1889	477.4	13.6
13	Moretti (2006)	5.22%	Ferric pyrophosphate	20	15	6	Rice	7	2730	90	0.1786	487.5	16.1
14	Wegmuller (2006)	5.69%	Ferric pyrophosphate	320	10.9	7	Salt	6	1983.8	76.3	0.1667	330.6	12.7
15	Andersson (2008)	6.00%	Ferric pyrophosphate/ferrous fumarate	200	5.7	7	Salt	10	1729	39.9	0.2500	432.3	10.0
16	Hotz (2008)	4.53%	Ferric pyrophosphate	2	20	5	Rice	6	2600	100	0.1786	464.3	17.9
17	Rim (2008)	3.58%	Ferrous sulphate	NM	7.3	6	Rice	6	1138.8	43.8	0.3571	406.7	15.6
18	Shamah Levy (2008)	5.19%	Ferrous gluconate/ferrous sulfate	23	7.75	7	Complementary food	6	1410.5	54.25	0.315	444.3	17.1
19	Biebinger (2009)	5.72%	Hydrogen reduced iron	NM	20	5	Biscuit	5.5	2383.3	100	0.0667	158.9	6.7
20	Cabalda (2009)	4.21%	Hydrogen reduced iron, electrolytic iron, ferrous fumarate	80	2.9	4	Wheat Flour	8	402.1	11.6	0.2396	96.4	2.8
21	Rohner (2010)	5.56%	Electrolyte Iron	NM	20	4	Biscuit	6	2080	80	0.1667	346.7	13.3
22
23	Studies with missing values for iron intake or fortification frequency
24	Gill (1997)	4.01%	Ferrous sulphate	10.9	NM	7	Infant milk substitute	5	N/A
25	Madan (1998)	5.85%	NM	NM	NM	7	Salt	5	N/A
26	Zimmerman (2004)	4.46%	Ferric pyrophosphate	200	0.5	NM	Salt	10	N/A
27
28	Weighted average								1903.30	58.49		761.66	20.17
29
30	Level of additional iron intake in Fortify Health's program
31
32	Substance	Molecular weight (g/mol)
33	Fe	55.845
34	NaFeEDTA	367.05
35
36	Proportion of NaFeEDTA comprised of Fe	15.21%
37
38	Fortification compound	Extra Fe in food (mg per 100g)	Quantity of atta consumed per day (g)	Iron intake per day (mg)	Fortification frequency	Duration of fortification (months)	Total additional iron intake per year (mg)	Total additional iron intake per week (mg)
39	NaFeEDTA	2.125	164	3.493	7	12	1271.5	24.45
40
41		Aggregating annually	Aggregating weekly
42	Proportion of iron intake provided by FH compared to academic studies	66.80%	41.80%
43	Proportion of iron intake provided by FH compared to academic studies (adjusted for differences in absorption)	166.94%	121.2361%
44
45	Optimal iron intake
46
47	National Academic of Science, Engineering and Medicine (2019)
48	Note: see the "Dietary Reference Intakes tables" produced by the National Academies of Science, Engineering and Medicine at this link: http://nationalacademies.org/HMD/Activities/Nutrition/SummaryDRIs/DRI-Tables.aspx
49	Age group	Recommended Dietary Allowances of Iron (mg/day)	RDA per year (mg)	RDA per week (mg)
50	0-6mo	0.27	98.55	1.89
51	7-12mo	11	4015	77
52	1-3y	7	2555	49
53	4-8y	10	3650	70
54	Male
55	9-13y	8	2920	56
56	14-18y	11	4015	77
57	19-30y	8	2920	56
58	31-50y	8	2920	56
59	51-70y	8	2920	56
60	>70y	8	2920	56
61	Female
62	9-13y	8	2920	56
63	14-18y	15	5475	105
64	19-30y	18	6570	126
65	31-50y	18	6570	126
66	51-70y	8	2920	56
67	>70y	8	2920	56
68	Pregnancy
69	14-18y	27	9855	189
70	19-30y	27	9855	189
71	31-50y	27	9855	189
72	Lactation
73	14-18y	10	3650	70
74	19-30y	9	3285	63
75	31-50y	9	3285	63
76
77	National Institute of Nutrition in India 2011
78	See "Recommended dietary allowances for Indians (macronutrients and minerals)" on p.89 at this link: http://ninindia.org/DietaryGuidelinesforNINwebsite.pdf
79	Age group	Recommended Dietary Allowances of Iron (mg/day)	RDA per year (mg)	RDA per week (mg)
80	Man	17	6205	119
81	Woman	21	7665	147
82	Pregnant Woman	35	12775	245
83	Infants
84	0-6mo	46 micrograms/kg/day
85	6-12mo	5	1825	35
86	Children
87	1-3yo	9	3285	63
88	4-6yo	13	4745	91
89	7-9yo	16	5840	112
90	Boys
91	10-12yo	21	7665	147
92	13-15yo	32	11680	224
93	16-17yo	28	10220	196
94	Girls
95	10-12yo	27	9855	189
96	13-15yo	27	9855	189
97	16-17yo	26	9490	182
98
99
100