Other ingredients
Microcrystalline Cellulose; Maltodextrin; Dicalcium Phosphate (DCP); Croscarmellose Sodium; Stearic Acid; Silica; Hydroxypropyl Cellulose (HPC); Hydroxypropyl Methylcellulose (HPMC); Glycerin; Stearate
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Life Extension
NK Cell Activator
Tablet or Pill
Serving size1 Vegetarian Tablet(s)
Servings per containerNot listed
Package30 Vegetarian Tablet(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 1 Vegetarian Tablet(s)
Proprietary Enzymatically Modified Rice Bran500 mgDV not established
Label directions
Directions: Take one (1) tablet once or twice daily with food; or as recommended by a healthcare practitioner.
Label warnings
Read the entire label and follow the directions carefully prior to use. 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. Contains wheat. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Identity and label version
NIH label record328601
Entered into NIH DSLDJun 25, 2025
UPC / GTIN00737870190332
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 328601Entered Jun 25, 2025
Serving size1 Vegetarian Tablet(s)
Formula versiond9571552
Ingredients on label1
NIH sourceOpen label ↗
Proprietary Enzymatically Modified Rice Bran500 mg
Label warning: Read the entire label and follow the directions carefully prior to use. 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. Contains wheat. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Earlier labelNIH record 232081Entered Aug 23, 2020
Proprietary Enzymatically Modified Rice Bran500 mg
Label warning: 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. Contains wheat. 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.