What do systematic reviews say?

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

It is very uncertain whether condiments/seasonings fortified with iron changes anaemia (defined as haemoglobin below WHO cut‐off for age and… compared with unfortified condiments/seasonings (very low certainty).

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  RR 0.34 [0.18, 0.65]
  4 studies · 2328 participants
  Very low

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

Condiments/seasonings fortified with iron plus other micronutrients may leads to lower anaemia (defined as haemoglobin below WHO cut‐off for age and… compared with condiments/seasonings fortified with other micronutrients except iron (low certainty).

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  RR 0.59 [0.4, 0.89]
  4 studies · 1007 participants
  Low

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 2808 participants
  Very low

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

Condiments/seasonings fortified with iron showed no clear difference in iron deficiency (as defined by the trialists based on a biomarker of… compared with unfortified condiments/seasonings (moderate certainty).

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  RR 0.33 [0.11, 1.01]
  2 studies · 391 participants
  Moderate

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 4459 participants
  Very low

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 240 participants
  Low

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 240 participants
  Low

Condiments/seasonings fortified with iron vs unfortified condiments/seasonings

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

Condiments/seasonings fortified with iron plus other micronutrients may leads to lower iron deficiency (as defined by the trialists based on a biomarker of… compared with condiments/seasonings fortified with other micronutrients except iron (low certainty).

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  RR 0.36 [0.19, 0.69]
  4 studies · 1154 participants
  Low

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 1251 participants
  Very low

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 158 participants
  Low

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Condiments/seasonings fortified with iron plus other micronutrients vs condiments/seasonings fortified with other micronutrients except iron

• Fortification of condiments and seasonings with iron for preventing anaemia and improving health 2023 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 1270 participants
  Very low