Phosphorus
Description
Phosphorus is an essential mineral primarily known for its role in bone and teeth health. Approximately 85% of the body's phosphorus is found in bones and teeth, where it combines with Calcium to form hydroxyapatite, the rigid structure that provides strength and density. Adequate phosphorus intake is therefore critical for skeletal integrity and preventing conditions like osteoporosis. Beyond structural support, phosphorus is indispensable for numerous metabolic processes. It is a key component of adenosine triphosphate (ATP), the body's main energy currency, facilitating energy storage and transfer in cells. Additionally, it forms phospholipids, which are integral to the structure and function of cell membranes, and is a building block for DNA and RNA, essential for genetic information and protein synthesis. Phosphorus also contributes to the proper function of kidneys, muscles, and nerves. It aids in filtering waste products in the kidneys, supports muscle contraction, and is involved in nerve signal transmission. Furthermore, it helps maintain the body's pH balance, acting as a buffer system to prevent excessive acidity or alkalinity, which is vital for overall physiological health.
Sources
Milk and dairy products (yogurt, cheese)Meat (beef, chicken, pork)Fish (salmon, tuna, cod)PoultryNuts (almonds, peanuts)Legumes (lentils, beans)Whole grains (oats, whole wheat bread)Eggs
Cheapest Phosphorus supplements
Best Phosphorus supplements
Value Phosphorus Supplements for Bone Health
Timing & Intake
AnytimeWith foodTake with It is generally recommended to take Phosphorus with food to minimize potential digestive upset.
Phosphorus absorption is typically not dependent on specific timing relative to sleep or exercise, but taking it with meals can improve tolerance.
Daily Intake
RDA (Men)700 mg
RDA (Women)700 mg
RDI700 mg
Optimal Dosage
Minimum700 mg
Maximum1200 mg
Safety & Toxicity
Upper Limit (UL)4000 mg
Toxicity Threshold5000 mg
Toxicity EffectImpaired calcium absorption
Interactions
Positive Interactions
Calcium
Phosphorus and Calcium work synergistically as primary components of bone and teeth structure. Proper ratios of both are crucial for skeletal health.
Vitamin D
Vitamin D is essential for regulating the absorption and metabolism of both Calcium and Phosphorus, helping to maintain their balance in the body.
Magnesium
Magnesium, Calcium, and Phosphorus are all vital minerals for bone health and numerous enzymatic reactions; they often work together in metabolic pathways.
Negative Interactions
Calcium
Excessively high phosphorus intake without adequate calcium can disrupt the calcium-phosphorus balance, potentially leading to calcium depletion from bones or soft tissue calcification.
Iron
Very high levels of phosphorus might theoretically interfere with the absorption of other minerals like Iron, although this is less common with typical dietary or supplemental intake.
Zinc
High phosphorus intake may, in some circumstances, form insoluble complexes with zinc, potentially reducing zinc absorption, although this interaction is generally minor for most individuals.
Recommended products
Best 
Bone Solid
Country Life
Phosphorus: 500 mg
Country Life Bone Solid is a highly comprehensive supplement designed to support robust bone health through a rich blend of essential minerals and key vitamins like D3 and K.
Best 
Cal/Mag/Zinc Pina Colada
Trace Minerals Research
Phosphorus: 675 mg
This liquid Cal/Mag/Zinc supplement delivers high doses of key bone-supporting minerals and zinc, fortified with Vitamin D3 and trace minerals, ideal for comprehensive mineral intake.
Budget 
Sentry Senior
21st Century
Phosphorus: 20 mg
A comprehensive and affordable daily multivitamin for seniors, providing essential vitamins, minerals, plus Lutein and Lycopene for broad health and vision support.
Best 
Bone Builder Extra Strength
Metagenics
Phosphorus: 520 mg
A high-strength bone support product featuring a blend of MCHC and dicalcium phosphate for comprehensive calcium and phosphorus delivery, beneficial for bone and nail health.
Budget 
Complete Multivitamin Adults 50+
Equate
Phosphorus: 20 mg
This multivitamin for adults 50+ offers a foundational blend of essential vitamins, minerals, and key carotenoids like Lutein and Lycopene, supporting general health, bone density, and vision at a very accessible price.
Budget 
Therapeutic-M
21st Century
Phosphorus: 35 mg
Therapeutic-M is a cost-effective multivitamin-mineral supplement designed to offer broad, everyday nutritional support for general wellness.
Best 
Liquid Cal/Mag/Zinc Natural Pina Colada Flavor
Trace Minerals
Phosphorus: 675 mg
A high-potency liquid mineral supplement featuring calcium, magnesium, zinc, and vitamin D3 in well-absorbed forms, complemented by a range of trace minerals for broad support.
Value 
Target-Mins Calcium Magnesium with Vitamin D Complex
Country Life
Phosphorus: 500 mg
This Country Life complex offers a comprehensive array of calcium and magnesium in various forms, plus phosphorus and vitamin D2, designed to support bone and overall mineral health.
Best 
Bone Meal Powder
KAL
Phosphorus: 440 mg
A high-dose powdered supplement providing calcium and phosphorus from bone meal and calcium carbonate, offering flexible intake for significant mineral needs.
Value 
One Daily Maximum
21st Century
Phosphorus: 109 mg
This multivitamin delivers a broad spectrum of essential vitamins and minerals at a very accessible price point, designed for general daily nutritional support.
Best 
Target-Mins Calcium Magnesium Complex
Country Life
Phosphorus: 500 mg
A large-quantity Country Life complex with multiple forms of calcium, magnesium, and phosphorus for mineral support, but it lacks vitamin D.
Best 
Master Blend Plant-Based Protein Powder Creamy Chocolate
Om Mushroom Superfood
Phosphorus: 440 mg
This plant-based protein powder goes beyond basic muscle support by incorporating a significant blend of functional mushrooms, adaptogens, and key vitamins for comprehensive wellness benefits.
Best 
Master Blend Plant-Based Protein Powder Creamy Vanilla
Om Mushroom Superfood
Phosphorus: 425 mg
This plant-based protein powder goes beyond basic muscle support, integrating mushroom and adaptogen blends with essential vitamins and minerals for broad wellness and energy.
Value 
Target-Mins Calcium Magnesium Complex
Country Life
Phosphorus: 500 mg
A mid-sized Country Life complex with multiple forms of calcium, magnesium, and phosphorus for mineral support, but it lacks vitamin D.
Value 
Target-Mins Calcium Magnesium Complex With Vitamin D3
Country Life
Phosphorus: 468 mg
An excellent Country Life complex providing multiple forms of calcium, magnesium, and phosphorus, enhanced with the more effective Vitamin D3 for comprehensive mineral and bone health support.
Budget 
Complete Multivitamin
Equate
Phosphorus: 20 mg
This multivitamin offers a broad range of basic vitamins and minerals to support general daily health and fill common nutritional gaps at an economical price.
Budget 
Complete Multivitamin Women 50+
Equate
Phosphorus: 20 mg
A practical daily multivitamin for women over 50, providing a wide range of essential vitamins and minerals to support general health, bone density, and vision.
Best 
Cell Forté IP-6 & Inositol Citrus Flavored Drink Mix
Nature's Way
Phosphorus: 453 mg
A specialty drink mix primarily for IP-6 and Inositol, offering moderate doses of calcium, phosphorus, and magnesium as part of its broader cellular support function, not as a dedicated bone mineral product.
Value 
Multi-Vitamins With Minerals
Thompson
Phosphorus: 130 mg
A very economical multivitamin offering a wide range of basic nutrients, best suited for general nutritional support rather than high-potency needs due to some low dosages.
Budget 
Sentry Adults
21st Century
Phosphorus: 20 mg
A very affordable and broad-spectrum daily multivitamin and multimineral for adults, offering foundational nutritional support for overall well-being.
Budget 
Complete Multivitamin
Equate
Phosphorus: 20 mg
This multivitamin delivers a wide range of essential vitamins and minerals at a highly affordable price, making it a sensible choice for basic daily nutritional support for many adults.
Budget 
Complete Multivitamin Adults 50+
Equate
Phosphorus: 20 mg
This multivitamin is designed for adults over 50, offering higher Vitamin D3 and eye-supporting nutrients at a very cost-effective price, providing good daily nutritional support.
Value 
Mature Multi
Kirkland Signature
Phosphorus: 110 mg
This multivitamin for mature adults provides a comprehensive nutrient blend with higher B12 and Folic Acid, offering good value for general daily support despite some unspecified ingredient forms.
Best 
Calcium Phosphate Powder
Freeda
Phosphorus: 1086 mg
A high-dose powdered supplement of calcium and phosphorus from dibasic calcium phosphate, offering flexible dosing for significant mineral needs but lacking synergistic nutrients.
Product stats
Price per product
Average$34.91
Median$29.99
Price per serving
Average$1.08
Median$0.84
Price per 10 mg
Average$0.16
Median$0.09
Price distribution
Price per serving distribution
Price per 10 mg
Reference amount: 10 mg
Forms
Paired ingredients
Ingredient forms
Dicalcium Phosphate (81) 85
Dicalcium Phosphate (DCP) is a calcium salt of phosphoric acid, commonly found in dietary supplements, fortified foods, and animal feed. It serves as an excellent source of elemental calcium and phosphorus in a single compound, boasting good bioavailability and stability. It is often used to support bone health and provide these essential minerals.
Pros
- Excellent source of both calcium and phosphorus
- Commonly available and stable
- Good bioavailability for both minerals
Cons
- High doses may cause digestive upset
- Calcium intake needs to be considered to avoid imbalance with other sources
Per product
Avg$30.43
Med$24.47
Per serving
Avg$1.13
Med$0.55
Per 10 mg
Avg$0.12
Med$0.07
Price distribution
Tricalcium Phosphate (29) 80
Tricalcium Phosphate (TCP) is a calcium phosphate compound similar to dicalcium phosphate but with a different calcium-to-phosphate ratio (closer to 3:2). It is commonly used as a nutritional supplement, an anticaking agent in powdered foods, and a buffering agent. While slightly less soluble than dicalcium phosphate, it is still a good source of bioavailable calcium and phosphorus.
Pros
- Good source of both calcium and phosphorus
- Widely available and stable
- Effective as an anticaking agent in food products
Cons
- Slightly lower solubility compared to dicalcium phosphate, potentially affecting absorption for some
- High doses may cause digestive issues or constipation
Per product
Avg$21.38
Med$18.66
Per serving
Avg$0.71
Med$0.52
Per 100 mg
Avg$0.49
Med$0.51
Price distribution
Potassium Phosphate (27) 80
Potassium Phosphate is an inorganic salt used as a food additive, a supplement for potassium and phosphorus deficiency, and in medical solutions to correct electrolyte imbalances. It is highly soluble and readily absorbed, offering both minerals important for various metabolic processes, including energy production and muscle function.
Pros
- Provides two essential electrolytes (potassium and phosphorus)
- Highly soluble and readily absorbed
- Useful for addressing electrolyte imbalances
Cons
- Can cause gastrointestinal upset in higher doses
- Careful monitoring needed for electrolyte balance, especially with other potassium sources
- Not primarily chosen just for bone health, but contributes
Per product
Avg$38.52
Med$44.99
Per serving
Avg$1.06
Med$1.04
Per 10 mg
Avg$0.12
Med$0.08
Price distribution
Calcium Hydroxyapatite (22) 95
Calcium Hydroxyapatite is a naturally occurring mineral form of calcium phosphate, representing about 70% of bone mass. As a supplement, it is often derived from bovine bone, providing calcium and phosphorus in a crystalline structure identical to human bone. This form is highly bioavailable and contains other trace minerals naturally present in bone.
Pros
- Bio-identical to human bone mineral, ensuring high recognition and utilization by the body
- Excellent bioavailability of calcium and phosphorus
- Contains natural trace minerals that support bone health
- Generally well-tolerated
Cons
- May be unsuitable for vegans/vegetarians due to animal origin
- Potential concerns about sourcing and processing, though reputable brands minimize risks
Per product
Avg$25.65
Med$25.24
Per serving
Avg$0.49
Med$0.43
Per 100 mg
Avg$0.10
Med$0.09
Price distribution
Sodium Phosphate (21) 70
Sodium Phosphate refers to a group of salts containing sodium and phosphate ions. It is used as a dietary supplement for phosphorus deficiency, a food additive (emulsifier, texturizer), and notably in medical settings for bowel cleansing before procedures. While it provides phosphorus, it also contributes significant sodium.
Pros
- Effective source of phosphorus
- Widely available and used in various medical and food applications
Cons
- Adds significant sodium to the diet, which can be a concern for individuals with high blood pressure or heart conditions
- Often associated with strong laxative effects in higher doses (e.g., bowel prep)
- Less ideal for general daily bone health support due to sodium content
Per product
Avg$47.03
Med$49.99
Per serving
Avg$1.81
Med$1.66
Per 100 mg
Avg$0.88
Med$0.67
Price distribution
Dipotassium Phosphate (13) 80
Dipotassium Phosphate (DKP) is a highly soluble inorganic salt of potassium and phosphoric acid. It functions as a food additive (emulsifier, stabilizer, thickener), a buffering agent, and a source of potassium and phosphorus in nutritional supplements and medical solutions. Its high solubility ensures rapid absorption of both minerals.
Pros
- Highly soluble and readily absorbed
- Provides two essential electrolytes
- Versatile in food applications as an emulsifier and stabilizer
Cons
- Similar to potassium phosphate, high doses can lead to electrolyte imbalances
- Can cause gastrointestinal upset or laxative effects in some individuals
Per product
Avg$56.30
Med$50.00
Per serving
Avg$6.07
Med$6.16
Per 100 mg
Avg$0.80
Med$0.70
Price distribution
Monobasic Calcium Phosphate (11) 78
Monobasic Calcium Phosphate, also known as monocalcium phosphate, is a highly acidic calcium phosphate compound. It is primarily used in the food industry as a leavening agent in baked goods and as an acidulant. While it provides calcium and phosphorus, its high acidity makes it less common as a direct dietary supplement for bone health compared to dicalcium or tricalcium phosphate.
Pros
- Provides calcium and phosphorus
- Highly acidic, useful for specific applications like leavening in food products
Cons
- Less commonly used as a direct dietary supplement for bone health
- Acidic nature might cause digestive upset in sensitive individuals
- May not be as readily absorbed or utilized for bone health as other, more neutral forms
Per product
Avg$18.78
Med$14.29
Per serving
Avg$0.63
Med$0.56
Per 100 mg
Avg$0.41
Med$0.37
Price distribution
Monobasic Potassium Phosphate (11) 75
Monobasic Potassium Phosphate, also known as potassium dihydrogen phosphate, is an inorganic salt that is acidic in nature. It is widely used as a fertilizer, a food additive (buffer, emulsifier), and in some supplements to provide potassium and phosphorus. Its acidity can be advantageous in certain formulations but may affect digestive tolerance in some individuals.
Pros
- Provides both potassium and phosphorus
- Acts as a good buffering agent
- Highly soluble
Cons
- Acidic nature might cause stomach upset in sensitive individuals
- Requires careful consideration of overall potassium and phosphorus intake
Per product
Avg$18.78
Med$14.29
Per serving
Avg$0.63
Med$0.56
Per 100 mg
Avg$0.41
Med$0.37
Price distribution
Monobasic Sodium Phosphate (11) 70
Monobasic Sodium Phosphate, also known as sodium dihydrogen phosphate, is an acidic inorganic salt. It is used as a food additive (buffer, emulsifier), in pharmaceutical preparations, and as a source of sodium and phosphorus. Like other sodium phosphates, it contributes to sodium intake and its acidic nature can influence its use and tolerability.
Pros
- Provides both sodium and phosphorus
- Effective buffering agent
- Highly soluble
Cons
- Contributes significant sodium to the diet
- Acidic nature may cause gastrointestinal discomfort
- Often used for specific non-daily-supplement purposes (e.g., pH adjustment) rather than general supplementation
Per product
Avg$18.78
Med$14.29
Per serving
Avg$0.63
Med$0.56
Per 100 mg
Avg$0.41
Med$0.37
Price distribution
Tribasic Calcium Phosphate (11) 80
Tribasic Calcium Phosphate is chemically identical to Tricalcium Phosphate (TCP). It is a widely used compound in dietary supplements and as a food additive, functioning as a source of calcium and phosphorus, an anticaking agent, and a nutritional fortifier. It offers good bioavailability for both minerals and is stable in various formulations.
Pros
- Good source of both calcium and phosphorus
- Commonly used and widely available
- Stable and versatile in applications
Cons
- Slightly lower solubility compared to dicalcium phosphate
- High doses can cause digestive issues or constipation
Per product
Avg$18.78
Med$14.29
Per serving
Avg$0.63
Med$0.56
Per 100 mg
Avg$0.41
Med$0.37
Price distribution