Other ingredients
Cellulose; Microcrystalline Cellulose; Rice Concentrate; Ethylcellulose; Medium Chain Triglyceride (MCT); Oleic Acid (C18:1n-9; OA); Hydroxypropyl Methylcellulose (HPMC); Silica
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Life Extension
Potassium with Extend-Release Magnesium
Capsule
Serving size1 Vegetarian Capsule(s)
Servings per containerNot listed
Package60 Vegetarian Capsule(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 1 Vegetarian Capsule(s)
Magnesium250 mg60% DV
Potassium99 mg2% DV
Label directions
Directions: Take one (1) capsule once or twice daily; or as recommended by a healthcare practitioner.
Label warnings
Read the entire label and follow directions carefully prior to use. Caution: If taken in high doses magnesium may have a laxative effect. If this occurs divide dosing reduce intake or discontinue product. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Identity and label version
NIH label record328641
Entered into NIH DSLDMay 21, 2025
UPC / GTIN00737870230960
Manufacturer / distributor on labelQuality Supplements and Vitamins Inc.
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 (2)
Current labelNIH record 328641Entered May 21, 2025
Serving size1 Vegetarian Capsule(s)
Formula versionf05bc1a8
Ingredients on label2
NIH sourceOpen label ↗
Magnesium250 mg
Potassium99 mg
Label warning: Read the entire label and follow directions carefully prior to use. Caution: If taken in high doses magnesium may have a laxative effect. If this occurs divide dosing reduce intake or discontinue product. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Earlier labelNIH record 334872Entered Apr 24, 2025
Serving size1 Vegetarian Capsule(s)
Formula versionae36862d
Ingredients on label2
NIH sourceOpen label ↗
Magnesium250 mg
Potassium99 mg
Label warning: Read the entire label and follow the directions carefully. Caution: If taken in high doses magnesium may have a laxative effect. If this occurs divide dosing reduce intake or discontinue product. Do not exceed recommended dose. Do not purchase if outer seal is damaged. Warnings: Keep out of reach of children. Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. To report a serious adverse event or obtain product information contact 1-866-280-2852.
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.