Source Naturals Ultra-Mag - 120 Vegan Tablets

Supplement facts

1 or 2 tablets daily with a meal.

Label data from the Dietary Supplement Label Database.

Label data as of 10 Sep 2026

83.5 / 100Very good

This jar provides a reasonable one-tablet magnesium routine, but the supplied facts do not identify the magnesium form.

Scoring criteria

Quantity
100 / 100
One tablet provides approximately 200 mg magnesium, which is a reasonable supplemental maintenance amount for generally healthy adults.
Form
65 / 100
The supplied panel does not identify the magnesium salt or mixture, so its applicable absorption and tolerability properties remain unresolved.
Convenience
100 / 100
One tablet daily supplies approximately 200 mg magnesium and is the smallest labelled routine that reaches a reasonable supplemental maintenance amount.
Label accuracy
100 / 100
The quantified facts are internally consistent with two tablets supplying 400 mg magnesium and 60 labelled servings.
Purity
75 / 100
The label lists ordinary excipients and provides no product-specific evidence establishing unusually strong or poor purity controls.
Cofactors
50 / 100
One tablet supplies approximately 15 mg vitamin B6, a plausible complementary nutrient, but added benefit beyond magnesium is uncertain for general supplementation.