Sea Salt

Natural unrefined salt containing sodium chloride plus trace minerals that supports hydration, electrolyte balance, and exercise performance

Scientific nameSodium chloride with trace minerals FormulaNaCl + trace minerals (Mg, K, Ca) Molecular weight58.44 (NaCl) + variable trace minerals g/mol CAS7647-14-5

100 absorption score

8 safety / 10

10 USD per month

5 documented interactions

Check it against something

Evidence level A

Sea Salt with:

73 out of 100

Needs attention Separate by 2-4 hours to avoid the interaction below.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Essential electrolyte balance and hydration support

Provides sodium chloride essential for fluid balance and hydration

Sodium regulates extracellular fluid volume and water retention Evidence A-grade 15-30 minutes for hydration and electrolyte effects

Enhanced exercise performance and endurance

Prevents hyponatremia and maintains performance during long exercise

Maintains blood volume and prevents sodium depletion Evidence A-grade During exercise sessions >1 hour

Improved muscle function and cramping prevention

Supports proper muscle contractions and prevents exercise-induced cramps

Sodium essential for nerve conduction and muscle contractions Evidence A-grade During and post-exercise

Natural trace mineral supplementation

Provides trace minerals often lacking in refined salt

Contains naturally occurring magnesium, potassium, and other minerals Evidence B-grade Ongoing with regular use

Enhanced fluid retention and absorption

Improves water absorption and retention in the body

Sodium-glucose co-transport enhances fluid absorption Evidence A-grade 30-60 minutes when consumed with fluids

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Creatine Monohydrate Strength & power enhancement 3-5g A 95% Calcium Bone health & muscle function 1,000-1,200 mg A 30% Magnesium Glycinate Superior absorption sleep & muscle support 200-600 mg A 90% Whey Protein Muscle growth & recovery 25-75g A 95% Creatine HCL Enhanced muscle building 1.5-3g B 98% Oregano Oil Powerful respiratory antimicrobial 100-300mg B 85%

Every pair we checked

12 combinations scored by the engine

Sea Salt + Caffeine No documented interaction either way No known interaction 70

Sea Salt + Creatine Monohydrate No documented interaction either way No known interaction 70

Sea Salt + Vitamin D3 No documented interaction either way No known interaction 70

Sea Salt + Calcium Carbonate No documented interaction either way No known interaction 70

Sea Salt + Whey Protein No documented interaction either way No known interaction 70

Sea Salt + Lactase No documented interaction either way No known interaction 70

Sea Salt + Bovine Collagen No documented interaction either way No known interaction 70

Sea Salt + DHA No documented interaction either way No known interaction 70

Sea Salt + Turmeric No documented interaction either way No known interaction 70

Sea Salt + Potassium Citrate Very high potassium may oppose sodium's blood pressure effects Needs attention 73

Sea Salt + Magnesium Oxide Enhanced muscle function and cramping prevention Works better together 82

Sea Salt + Coconut Water Essential partnership for proper hydration and electrolyte balance Works better together 82

Dosage

With fluids around exercise

Daily1/4-1 tsp depending on losses

Exercise replacement1/4-1/2 tsp per hour during exercise >1 hour

Daily maintenance1/4-1/2 tsp daily with meals and fluids

Heavy sweat sessions1/2-3/4 tsp per hour during intense sweating

Cramping treatment1/4-1/2 tsp dissolved in water when cramps occur

When to expect it

First Effects15-30 minutes for hydration and electrolyte benefits

Peak Benefits30-90 minutes for optimal fluid balance and performance support

Deficiency DevelopmentHours to days with inadequate sodium intake

Toxicity OnsetAcute: >5-10g sodium; chronic health effects with long-term excess

How to measure it

$50-100

MarkerSerum sodium, chloride, comprehensive metabolic panel

OptimalSodium 136-145 mEq/L, chloride 98-107 mEq/L

Deficient belowSodium <136 mEq/L (hyponatremia)

FrequencyMonitor during intense training or if using large amounts

What people actually reported to the FDA

CAERS, 1 reports naming it as the suspect

Most reported effects

Diarrhoea 1

Flatulence 1

Muscle spasms 1

Named as the suspect 1 reports of 145 that mention it at all

Serious outcome 100% hospitalisation, emergency room or worse

Other Serious or Important Medical Event1

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not

Absorption Very high 100 of 100 · best absorbed form of this compound

Delivered daily 2 mg

Cost per 10 mg delivered $1.67 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Potassium

Balanced sodium-potassium ratio essential for optimal function

Opposing effects on blood pressure and fluid balance · level A

Magnesium

Enhanced muscle function and cramping prevention

Both essential for muscle contractions and nerve function · level A

Water

Essential partnership for proper hydration and electrolyte balance

Sodium regulates water retention and distribution · level A

What not to take with Sea Salt

2 documented

Excessive Potassium

Very high potassium may oppose sodium's blood pressure effects

Competitive relationship in blood pressure regulation · minor significance

Diuretic Compounds

Substances promoting fluid loss oppose sodium retention

Counteract sodium's fluid-retaining properties · moderate significance

Medication interactions

Discuss these with a pharmacist before combining

blood-pressure-medications Moderate

High sodium intake may reduce antihypertensive effectiveness

What to do: Monitor blood pressure and adjust sodium intake

diuretic-medications Minor

May counteract diuretic effects

What to do: Balance sodium intake with medication needs

lithium Moderate

Sodium status affects lithium levels and toxicity

What to do: Maintain consistent sodium intake

Available forms

bioavailability compared

Celtic Sea Salt (Grey, Unrefined) 100

Himalayan Pink Salt (Rock Salt) 100

Celtic Sea Salt (Grey, Unrefined): Highest mineral content, Unprocessed, Traditional harvesting, Excellent trace minerals

Himalayan Pink Salt (Rock Salt): Rich in iron, Pure and clean, Good mineral profile, Stable shelf life

Food sources

before you supplement

Sea salt (1/4 tsp) 580mg sodium plus trace minerals · 100

Celtic sea salt (1/4 tsp) 480mg sodium, 1.5mg magnesium, trace minerals · 100

Himalayan pink salt (1/4 tsp) 590mg sodium, trace iron and minerals · 100

Too little

deficiency signs

Sodium deficiency (hyponatremia) symptoms:
Muscle cramps and poor muscle function
Fatigue and weakness during exercise
Nausea and headaches
Poor exercise performance and early fatigue
Dizziness and confusion
Heat exhaustion and poor heat tolerance

Too much

toxicity signs

Acute sodium toxicity symptoms:
Elevated blood pressure
Fluid retention and edema
Kidney strain and reduced function
Headaches and cardiovascular stress
Thirst and excessive fluid retention

Who benefits most

endurance-athletes

High sodium losses during prolonged exercise requiring replacement

1/4-1/2 tsp per hour during exercise >1 hour

heavy-sweaters

High sweat rates and sodium losses need enhanced replacement

1/2-1 tsp daily depending on sweat losses

hot-weather-athletes

Increased sodium losses in hot, humid conditions

1/4-3/4 tsp per hour during heat exposure

cramping-prone-athletes

Sodium essential for preventing exercise-induced muscle cramps

1/4-1/2 tsp with fluids when cramping occurs

low-sodium-diet-athletes

Those avoiding processed foods may need strategic sodium replacement

1/4-1/2 tsp daily around training

Where to buy it

compare forms first

Look for Sea Salt at 1/4-1 tsp depending on losses per serving. The form that matters here is Celtic Sea Salt (Grey, Unrefined).

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What else affects it

Beyond other supplements

Excessive potassium

Very high potassium may oppose sodium's blood pressure effects

Competitive relationship in blood pressure regulation

How it works

Sodium regulates extracellular fluid volume and blood pressure
Essential for nerve impulse transmission and muscle contractions
Enables sodium-glucose co-transport for enhanced fluid absorption
Maintains acid-base balance and cellular fluid distribution
Supports aldosterone regulation of fluid and electrolyte balance
Trace minerals support various enzymatic and cellular functions

Key findings

what the evidence supports

Essential electrolyte for exercise performance and hydration
Prevents hyponatremia during prolonged exercise
Unrefined sea salts provide beneficial trace minerals
Critical for muscle function and cramping prevention

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Sea Salt?

Documented effects: Essential electrolyte balance and hydration support; Enhanced exercise performance and endurance; Improved muscle function and cramping prevention; Natural trace mineral supplementation. Provides sodium chloride essential for fluid balance and hydration

How much Sea Salt should you take per day?

The common daily range is 1/4-1 tsp depending on losses. By goal — exercise replacement: 1/4-1/2 tsp per hour during exercise >1 hour; daily maintenance: 1/4-1/2 tsp daily with meals and fluids; heavy sweat sessions: 1/2-3/4 tsp per hour during intense sweating; cramping treatment: 1/4-1/2 tsp dissolved in water when cramps occur.

When is the best time to take Sea Salt?

With fluids around exercise. First effects are typically reported within 15-30 minutes for hydration and electrolyte benefits.

What are the side effects of Sea Salt?

At excessive doses: Acute sodium toxicity symptoms:, Elevated blood pressure, Fluid retention and edema, Kidney strain and reduced function, Headaches and cardiovascular stress. Safety rating at normal doses is 8 out of 10.

What should you not take with Sea Salt?

Separate it from Excessive Potassium, Diuretic Compounds by two to four hours. Very high potassium may oppose sodium's blood pressure effects

Does Sea Salt interact with medications?

Documented interactions with blood-pressure-medications, diuretic-medications, lithium. Discuss these with a pharmacist before combining.

How do you know if you need Sea Salt?

The marker is Serum sodium, chloride, comprehensive metabolic panel, optimal range Sodium 136-145 mEq/L, chloride 98-107 mEq/L. Common deficiency signs: Sodium deficiency (hyponatremia) symptoms:, Muscle cramps and poor muscle function, Fatigue and weakness during exercise, Nausea and headaches.

Taken for

43 Performance

Caffeine · Creatine Monohydrate · Whey Protein