BioStacks
Nature's Way
Liquid Iron, Berry
Liquid · 1 Tablespoon (Tbsp) (15 mL/ 1/2 fl oz) · 32 servings · $0.25/serving
Best for
Ingredients (1)
Iron
100%Dose
18 mg
Target
15–45 mg
Form
Premium
Other Ingredients (10)
Calcium Disodium EDTAPreservative
Generally well tolerated at the low levels used as a preservative and poorly absorbed orally, which limits systemic risk. But EDTA is a non-selective chelator: at higher chronic intakes it can bind and deplete essential minerals (zinc, iron) and has caused GI upset. Acceptable at trace preservative levels, but worth avoiding when a product also delivers minerals that EDTA could sequester.
ErythritolSweetener
Witkowski et al. 2023 (Nature Medicine, PMID 36849732) reported elevated plasma erythritol associated with major adverse cardiovascular events (MACE) in two cohorts (n=4,000+), with in-vitro and ex-vivo evidence of enhanced platelet aggregation. Replication is ongoing; FDA and EFSA have not changed their safety positions, but the signal is real and the additive is purely cosmetic. Better-established concern: GI tolerance — single doses above ~50 g cause osmotic diarrhea. Lower threshold for children.
SorbitolSweetener
A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
PotassiumMineral
Essential mineral naturally present in many plant-based supplement ingredients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
How to Take It
Best taken in the morning
Best absorbed on an empty stomach with vitamin C. If it upsets your gut, take it with a light meal instead.
On an empty stomach
Keep it away from coffee, tea and dairy
Space it a couple of hours from Calcium, Zinc, Magnesium, Manganese and Green Tea Leaf Extract
On the label
Shake well before each use. Adults take 1 tablespoon (Tbsp) (15 mL /1/2 fluid ounce) daily either directly or mixed into water or juice. Do not exceed recommended dose. To optimize iron absorption, take this product at least 2 hours before or after taking calcium or dairy products.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$8.04
Cheaper than 90% of 138 iron supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.