Comparison

Immune Boost Daily and GI Sustain

Immune Boost Daily (Immune Boost Daily) lists 32 distinct ingredients and GI Sustain (Metagenics) 35 (rows of one ingredient counted once); 23 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.42.

Amount per serving (and % of the Daily Value)
IngredientImmune Boost DailyGI Sustain
Carbohydrate6.5 g24 g
Vitamin C270 mg (300%)102 mg (113%)
Calcium50 mg (4%)300 mg (23%)
Vitamin B63.4 mg (200%)0.7 mg (41%)
Sodium190 mg20 mg
Sugar6.5 g9 g
Vitamin D20 mcg (100%)1.2 mcg (6%)
Magnesium20 mg (5%)120 mg (29%)
Vitamin B1236 mcg (1500%)2.1 mcg (88%)
Fat (unspecified)0 g5 g
Zinc1.1 mg (10%)7.5 mg (68%)
Niacin16 mg (100%)10 mg (63%)
Potassium99 mg (2%)300 mg (6%)
Folate400 mcg DFE (100%)235 mcg DFE (59%)
Vitamin A450 mcg RAE (50%)1.2 mg
Pantothenic Acid (Vitamin B5)5 mg (100%)100 mg (2000%)
Riboflavin2.6 mg (200%)0.6 mg (46%)
Thiamin2.4 mg (200%)0.5 mg (42%)
Protein1 g13 g
Glutaminenot disclosed0.5 g
Lysinenot disclosed35 mg
Glycinenot disclosed100 mg
Cysteinenot disclosed25 mg
Vitamin E33.5 mg (223%)
Biotin105 mcg (350%)
Fiber5 g
Iron3.6 mg (20%)
Chromium75 mcg (214%)
Selenium55 mcg (100%)
Saturated fat1.5 g
Cholesterol0 mg
Manganese1.3 mg (57%)
Copper0.5 mg (56%)
Phosphorus180 mg (14%)
Cranberrynot disclosed
Quercetinnot disclosed
European Eldernot disclosed
Astragalusnot disclosed
N-Acetyl Cysteinenot disclosed
Olivenot disclosed
Echinacea purpureanot disclosed
THREONINE34 mg
DL-Methionine100 mg
Isomaltooligosaccharide3.4 g

Amounts are per serving as DSLD gives them: Immune Boost Daily, 12 g; GI Sustain, 49 g. Current labels entered December 2021 and February 2025. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own

  • Immune Boost DailyImmune Boost Daily: every row against all products listing it
  • GI SustainMetagenics: every row against all products listing it