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Vitamin C

Source Naturals
4.7
★ ★ ★ ★ ★
(352 ratings)
Sodium 275 mg
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Score82
High-dose buffered vitamin C at good value, with the main trade-off being 275 mg sodium per full serving.
How scoring works
Quantity:8 Liquid(s) • (94 servings)
Goals:

Score 82

High-dose buffered vitamin C at good value, with the main trade-off being 275 mg sodium per full serving.
How scoring works
$10.15($0.10 per serving)
iHerb
$ 10.15
Amazon
$ 14.73
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Analysis

Sodium ascorbate provides 2 g vitamin C in a buffered form that may be gentler than ascorbic acid. Ninety-four servings and a low daily cost support practical bulk use.

Each full serving adds 275 mg sodium, which matters for users monitoring intake. The high vitamin C dose can still cause gastrointestinal effects despite being buffered.

It fits adults seeking high-dose powdered vitamin C who can adjust servings and accommodate sodium. Users wanting a low-sodium product should choose calcium ascorbate or another form.

Who is it for
  • Adults seeking buffered vitamin C powder
  • Users who prefer adjustable servings
  • People who can accommodate added sodium
Best for
  • Vitamin C supplementation
  • Buffered ascorbate use
  • Bulk powder value

Pros

  • Provides 2 g vitamin C
  • Simple formula
  • Ninety-four servings
  • Low serving cost

Cons

  • Adds 275 mg sodium
  • Full dose is high
  • Powder requires measuring
  • No complementary nutrients

Warnings

  • High vitamin C can cause diarrhea or abdominal discomfort
  • The 275 mg sodium serving may not suit sodium-restricted users
  • People with a history of oxalate kidney stones should review high-dose vitamin C use

Nutrient quality

79 High impact

Sodium ascorbate is a buffered vitamin C form with a clearly identified sodium source, and the 2 g vitamin C amount is at the adult upper intake level and sodium remains secondary. The vitamin C amount reaches the adult upper intake level and may cause digestive discomfort, while sodium ascorbate is coherent for buffered vitamin C but is not a complete electrolyte formula.

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Ingredient transparency

85 Highest impact

Every listed active ingredient has a specific amount, and no proprietary blend hides the amount of a listed active ingredient. Serving count is supplied, but complete daily-use directions are not provided, while inactive ingredients and excipients are not included in the supplied label details.

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Customer satisfaction

69 High impact

The supplied average rating is strong, and the limited review count reduces confidence in the average rating. Specific review themes are unavailable, so repeated negatives and real-world fit remain uncertain.

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Value for money

95 Highest impact

Useful forms and meaningful amounts generally justify the product positioning, and the very low serving cost provides excellent practical value. The formula is focused and does not appear padded with low-value active ingredients, while the formula and serving value compare well with similar products.

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Ingredients

IngredientAmount per serving
Vitamin C (Sodium Ascorbate)
2 Gram(s)
Sodium (Sodium Ascorbate)
275 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
C Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA+ Value

The 275 mg sodium serving can support lighter sweat replacement but falls just below the preferred athletic range. Sodium ascorbate is clearly disclosed, while potassium, magnesium, trace minerals, and bicarbonate buffering are absent. The very low serving cost supports strong value, although the formula functions mainly as high-dose vitamin C rather than balanced hydration.

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