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What it does
The product name and ingredient list do not agree; purpose cannot be confirmed.
Magnesium
Form not confirmedGrade —
Label lists Magnesium (330 mg). Benefit information is limited.
Sodium
Form not confirmedGrade —
Label lists Sodium (10 mg). Benefit information is limited.
Ingredients (1)
Nutrition
Calories, macros & sodium.
- Sodium10 mg
Other ingredients
Magnesium Carbonate (excipient)Anticaking Agent
Magnesium carbonate used as an anti-caking, flow, and drying agent.
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.
Citric AcidAcidulant
Natural acid derived from citrus fruits
Malic AcidAcidulant
Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements
Sea SaltFlavor
Basic food-grade salt used for taste in supplements
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
Lab testing
How to take it
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Mix one rounded scoop (4.8 g) of Swanson Mellow Mag in 8 ounces of cold water once per day. Adjust the amount of water as needed to achieve desired flavor intensity. Sip and enjoy!
Price check
$33.37
$0.30 / serving
Pricier than 82% of 579 magnesium 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.
Not medical advice. Consult your healthcare professional.