Phosphorus Supplements
K-PHOS Neutral, Phospho-Trin 250 Neutral, Phospha 250 Neutral, PHOS-NaK, Sodium Phosphate, Potassium Phosphate, and many generics
Electrolyte supplement
| C | 2 | Yes | No | No |
| Key |
- Oral:
- Na and K phosphate:
- PHOS-NaK and generics; powder: 250 mg (8 mM) P, 6.96 mEq (160 mg) Na, 7.16 mEq (280 mg) K per packet of powder (100s); reconstitute with 75 mL water or juice per packet
- K-PHOS Neutral, Phospho-Trin 250 Neutral, Phospha 250 Neutral, and generics; tabs: 250 mg P (8 mM), 13 mEq Na, 1.1 mEq K; administer each dose with a full glass of water
- K-PHOS No. 2; tabs: 250 mg P (8 mM), 5.8 mEq Na, 2.3 mEq K; administer each dose with a full glass of water
- K phosphate:
- K-Phos Original; tabs: 500 mg potassium acid phosphate (114 mg phosphorus and 3.7 mEq K); dissolve each tab in 3–4 oz water
- Na and K phosphate:
- Injection:
- Na phosphate: 3 mM (93 mg) P, 4 mEq Na/mL (5, 15, 50 mL)
- K phosphate: 3mM (93 mg) P, 4.4 mEq K/mL (5, 15 mL)
- Conversion: 31 mg P = 1 mM P
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Phosphorus Supplements." Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309129/all/Phosphorus_Supplements.
Phosphorus Supplements. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309129/all/Phosphorus_Supplements. Accessed June 1, 2026.
Phosphorus Supplements. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309129/all/Phosphorus_Supplements
Phosphorus Supplements [Internet]. In: Hughes HKH, Kahl LKL, editors. Harriet Lane Handbook. Elsevier; 2024. [cited 2026 June 01]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309129/all/Phosphorus_Supplements.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Phosphorus Supplements
ID - 309129
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309129/all/Phosphorus_Supplements
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

