🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Packet(s) Serving Size
100 Servings
Mineral Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

250 mg (20% DV)
✅ Within RDA (0.4× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 250mg UL 4000mg
Sodium
160 mg (7% DV)
Potassium
280 mg (6% DV)

Other Ingredients

Potassium Phosphate Monobasic Potassium Phosphate Dibasic Sodium Phosphate Monobasic Sodium Phosphate Dibasic Mannitol Citric Acid Natural & Artificial Flavor Sucralose Silicon Dioxide

Label Claims — Verification

Nutrient
All Other
All Other (98% of products) Structure/Function (89% of products) Nutrient (76% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: For adults: Mix contents of 1 packet with 2 1/2 ounces of water or juice. Stir well and take promptly. Take 1 packet four times daily, or as directed by your health professional.

⚠️ Warnings & Precautions

Call your doctor for medical advice about serious adverse events. To report a serious adverse event or obtain product information, contact Geri-Care Pharmaceutical 1-800-540-3765 Tamper Evident: Do not use if packet is damaged or open.

Warning: If you are pregnant, nursing, taking any medications or have a medical condition, consult your health professional before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Note: A mild laxative effect may be experienced. If this persists, discontinue use and consult your doctor. Proper dilution may help prevent gastrointestinal injury associated with the oral ingestion of concentrated potassium salt preparations.

Keep this product out of the reach of children.

In case of accidental overdose, get medical help or contact a Poison Control Center immediately.

🧪 Formulation Notes

This phosphorus supplement is a stable combination of dibasic and monobasic sodium and potassium phosphates.

Powder concentrate packets

Additional Information

Storage: Store at Controlled Room Temperature: 20 degrees to 25 degrees C (68 degrees to 77 degrees F) with excursions between 15 degrees and 30 degrees C (59 degrees and 86 degrees F) (see USP).

Compare to the dietary ingredients in Phos-Nak

Save Carton for Complete Information

100 single-serving powder packets (1.5 g Each)

Product Details

UPC / SKU 3 57896 84401 1
DSLD Entry Date 2023-06-22
Product Type Mineral
Form Powder
Brand Geri-Care
DSLD ID 291973
Data Updated 2026-04-11

Research Evidence

46 Research Sources
55 Avg Quality Score
23 Meta Analysis
7 Systematic Review
7 Rct
4 Clinical Trial
2 Other
1 Guideline
1 Regulatory Source
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2025
B Phosphate binders for preventing and treating bone disease in chronic kidney disease patients
Meta Analysis The Cochrane database of systematic reviews 2011
B Calcium and phosphorus supplementation of human milk for preterm infants
Systematic Review The Cochrane database of systematic reviews 2017
B Radiographic and clinical outcomes of silicate-substituted calcium phosphate (SiCaP) bone grafts in spinal fusion: Systematic review and meta-analysis
Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2020
B ESPGHAN/ESPEN/ESPR/CSPEN guidelines on pediatric parenteral nutrition: Calcium, phosphorus and magnesium.
Guideline Clinical nutrition (Edinburgh, Scotland) 2018
B Effect of different phosphate binders on fibroblast growth factor 23 levels in patients with chronic kidney disease: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Annals of palliative medicine 2022
B Pyridoxal 5 phosphate for neuroleptic-induced tardive dyskinesia
Meta Analysis The Cochrane database of systematic reviews 2015
B The impact of phosphate lowering agents on clinical and laboratory outcomes in chronic kidney disease patients: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of nephrology 2022
B Calcimimetics treatment strategy for serum calcium and phosphate management in patients with secondary hyperparathyroidism undergoing dialysis: A systematic review and meta-analysis of randomized studies
Meta Analysis Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy 2024
View all evidence for Phosphorus →

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