Other ingredients
Hypromellose (Cellulose); Rice Flour; Stearic Acid (C18:0); Silicon Dioxide (SiO2)
Image: Open Food Facts contributors — CC BY-SA 3.0
NOW
Magtein
Capsule
Serving size3 Veg Capsule(s)
Servings per containerNot listed
Package90 Veg Capsule(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 3 Veg Capsule(s)
Magnesium144 mg34% DV
Magtein2000 mgDV not established
Magtein2 gDV not established
Label directions
Suggested Usage: Take 3 capsules daily in divided doses (take 1 capsule in the morning and 2 capsules two hours before sleep).
Label warnings
Caution: For adults only. Like other magnesium products Magtein may induce sleepiness drowsiness or headaches at first. Reduce the dosage consult a doctor or discontinue use if conditions persist for more than one week. Consult physician if pregnant/nursing taking medication or have a medical condition. Keep out of reach of children. Not manufactured with wheat gluten soy milk egg fish shellfish tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Identity and label version
NIH label record335276
Entered into NIH DSLDSep 25, 2025
UPC / GTIN00733739023902
Manufacturer / distributor on labelNOW FOODS
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (1)
Current labelNIH record 335276Entered Sep 25, 2025
Magnesium144 mg
Magtein2000 mg
Magtein2 g
Label warning: Caution: For adults only. Like other magnesium products Magtein may induce sleepiness drowsiness or headaches at first. Reduce the dosage consult a doctor or discontinue use if conditions persist for more than one week. Consult physician if pregnant/nursing taking medication or have a medical condition. Keep out of reach of children. Not manufactured with wheat gluten soy milk egg fish shellfish tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
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Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.