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Peak Supps Sodium Ascorbate 889mg
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
19/20
Dose context & clarity
12/15
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
£7.99Amazon
PowderFormat
889 mgDaily dose
250 gPack size
£0.03Price/day
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The score, explained

Our scoring methodology
Testing & evidence12.8/100
3 points contributed · weighting 25
Ingredient/formulation quality75/100
15 points contributed · weighting 20
Value96/100
19 points contributed · weighting 20
Dose context & clarity80/100
12 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 mgHigher supplemental dose1 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
£0.03
Price last checked
2026-09-12 18:28:36

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
Label NRV / serving (%), if stated
1111
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.
  • Daily cost can be calculated from the recorded serving.

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

WeightWorld Vitamin C 1000mg

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
18/20
Dose context & clarity
12/15
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 evidence
Evidence status
Verified independent evidence
Manufacturer statement
Attached to test report no. 26C22342 ... TESTING COMPLIANCE CERTIFICATE ... Sample description: WEIGHTWORLD VITAMIN C WITH ROSEHIP AND BIOFLAVONOIDS 1000 mg 180 TABLETS - BATCH CODE: 429140 ... The test report no. 26C22342 has been issued in compliance with the requirements of ISO/IEC 17025 ... Neotron Spa
Laboratory
Neotron Spa
Certification body
Not recorded
Batch
429140
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 09:47:06
£0.05per day
£9.89per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Alpha01 Acerola Vitamin C 80mg

Why this score?
Testing & evidence
20/25
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 evidence
Evidence status
Verified independent evidence
Manufacturer statement
Alpha01 product page shows a 'CERTIFICATIONS & LAB TESTS' section listing 'Heavy Metals Testing' and 'Microbial Contaminants Testing' for 'Organic Acerola Cherry 11,750mg - 90 Capsules'; the linked report reads 'Sample description: Alpha01 - Organic Acerola Cherry Capsules 11,750mg' and 'TEST REPORT NO 204565/26/RIG' from SIA 'J.S. HAMILTON Baltic' laboratory.
Laboratory
SIA "J.S. HAMILTON Baltic"
Certification body
Not recorded
Batch
LC001DR7U05/012029
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 09:17:10
£0.10per day
£8.99per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Solgar Ester-C Plus 500mg

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
10/20
Dose context & clarity
12/15
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 evidence
Evidence status
Recognised certification
Manufacturer statement
Amazon listing image shows an NSF Certified Gluten-Free seal for this exact product, and NSF's own listings site has a matching product listing page (share-link?seq=MTQyNDE2) for Solgar Ester-C Plus 500 mg / 100 Vegetable Capsules.
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 09:16:27
£0.12per day
£12.43per pack
View AnalysisBuy Nowon Amazon