Skip to content
UKUSA
Image unavailable
Product analysis · Peak Supps

Peak Supps Sodium Ascorbate 889mg

Sodium ascorbate · Powder

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
15/20
Value
10/20
Dose context & clarity
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
9/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 3/25
PowderFormat
889 mgDaily dose
250 gPack size
—Price/day
No current offer in USCompare alternatives

We may earn a commission from qualifying purchases. This never affects our scores.

The score, explained

Our scoring methodology
Testing & evidence12.8/100
3 points contributed · weighting 25
Ingredient/formulation quality75/100
15 points contributed · weighting 20
Value50/100
10 points contributed · weighting 20
Dose context & clarity95/100
14 points contributed · weighting 15
Manufacturer transparency85/100
9 points contributed · weighting 10
Label/ingredient transparency85/100
9 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

Testing claimed

Evidence status
Testing claimed
Manufacturer statement
Peak Supps’ own Production and Quality page says its records and quality management system are audited annually by third-party certification organisations, and the SALSA registry independently confirms “Peak Supps Ltd has been approved by SALSA” with expiry date 7 January 2027.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 09:35:46

Dose & value

Vitamin C form
Sodium ascorbatePowder
Daily dose
889 mgSupplemental dose · below adult UL1 g/day basis
Serving size
1 g 1–2 times daily with food; comparison uses once
Pack size
250 g
Servings per day
1
Price per day
—
Price last checked
Not disclosed

Daily cost uses the recorded label serving; a larger dose earns no value advantage. The label serving is not a recommendation for your personal intake.

Vitamin C formulation details

Comparison form
Sodium ascorbate
Chemical form as disclosed
Sodium ascorbate
Vitamin C / serving (mg)
889
Vitamin C / day (mg)
889
Pack size as labelled
250 g
Recommended serving / frequency
1 g 1–2 times daily with food; comparison uses once
Comparison basis for a serving range
1 g/day basis
Tablets, capsules, gummies, grams or ml / serving
1
Time-release claim (yes / no / unknown)
no
Liposomal claim (yes / no / unknown)
no
Bioflavonoids included / amount
Not listed
Rose hips included / amount
Not listed
Acerola included / amount
Not listed
Zinc included / amount
Not listed
Other active ingredients
Sodium 111 mg per 1 g serving
Sugars / sweeteners
None listed
Allergen statement
Corn-derived ingredient disclosed
Vegan / vegetarian label status
Vegan claim on listing

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Label permits 1 g once or twice daily. Comparison uses once; two servings double C and price.

Ingredients & suitability

Vegan Vegetarian

Excipients
Nutritional Information 1g Serving provides: - 889mg Ascorbic Acid (Vitamin C) (NRV / RDA = 1111%) - 111mg Sodium * Product is suitable for vegans or vegetarians. * GMO Free Ingredients 100% Sodium Ascorbate Powder   Allergens Corn (from Starch).
Allergens
Corn-derived ingredient disclosed
Carrier / source
Not disclosed — check the current label
Other active ingredients
Sodium 111 mg per 1 g serving

Manufacturer transparency

Brand
Peak Supps
Legal company
Peak Supps Limited
Manufacturing model
In-house (over 99% of capsules)
Manufacturing location
United Kingdom (South Wales)

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • The current record does not support a daily cost calculation.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

Solgar Vitamin C 1000 mg, 250 Vegetable Capsules

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
12/20
Value
11/20
Dose context & clarity
14/15
Manufacturer transparency
6/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
NSF Certified for Sport registry entry for Solgar Vitamin C 1000 mg (listing detail page id=1415634)
Laboratory
Not recorded
Certification body
NSF Certified for Sport®
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 07:29:22
$0.12per day
$31.19per pack
View AnalysisBuy Nowon Amazon
Compare alternative

THORNE Vitamin C 1,000 mg, Ascorbic Acid Supplement, 60 Capsules

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
13/20
Value
5/20
Dose context & clarity
14/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Thorne product page says: "This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms." NSF registry independently lists "Thorne® Vitamin C 1,000 mg" as a finished product under NSF/ANSI Standard 173.
Laboratory
Not recorded
Certification body
NSF International
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 07:29:53
$0.32per day
$19.00per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Nature Made Chewable Vitamin C 1000 mg per Serving, 90 Tablets, Orange Flavor, 45 Day Supply

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
12/20
Value
7/20
Dose context & clarity
14/15
Manufacturer transparency
6/10
Label/ingredient transparency
6/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Recognised certification
Manufacturer statement
Nature Made product page states: "USP Verified and from #1 pharmacist recommended vitamin and supplement brand.*" and "USP has tested and verified ingredients, potency and manufacturing process." USP’s own verification program page explains that USP is an independent third-party organization and that through comprehensive auditing, reviewing, and testing it verifies dietary supplements.
Laboratory
Not recorded
Certification body
USP
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 07:23:19
$0.26per day
$11.89per pack
View AnalysisBuy Nowon Amazon