Skip to content
UKUSA
Brand profile

Swanson

Products, manufacturer information and the evidence behind the testing claims.

Coverage: 4 products tracked
4tracked US products
72/100average product score
0verified evidence records
United Statesmanufacturing location

About the brand

A sourced brand summary has not yet been recorded. The profile below reflects the information currently held.

Legal company
Swanson
Headquarters
Not disclosed
Ownership
Not disclosed
Manufacturing model
Not disclosed
Manufacturing location
United States
Founded
Not disclosed

Testing & transparency

Recognised certification
Brand-level review not recorded
Public COA database
Not confirmed in this profile
Batch-specific reports
See individual product evidence
Finished-product testing
Review the status of each tracked product
Manufacturing certification is not the same as independent testing of finished products. A brand can be GMP certified without publishing third-party reports for individual supplements.
How we verify testing →

Brand score profile

Averages of tracked US products, not a separate brand rating. Pending dimensions are excluded.

Average formulation score78/1004 of 4 products
Testing transparency45/1004 of 4 products
Value for money85/1004 of 4 products
Label transparency75/1004 of 4 products

Tracked products (4)

US catalogue

Swanson Full Spectrum Turmeric 1440mg – Capsules

Turmeric / Curcumin
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
21/25
Value
19/20
Dose transparency
11/15
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
Testing claimed
Manufacturer statement
Swanson’s quality-control page says: “Our ingredients are tested at various stages throughout the production process to verify purity and potency. All finished products are inspected by our Quality Control specialists and tested by independent third-party laboratories to ensure that each supplement contains exactly what’s stated on the label.”
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-27 17:46:37
$0.06/dayDaily cost
$15.39Per pack
View Analysis →Buy Nowon Amazon

Swanson Organic Lion’s Mane Mushroom 500 mg 1000mg – Capsules

Lion’s Mane
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
12/20
Dose transparency
15/15
Manufacturer transparency
6/10
Label/ingredient transparency
10/10
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
Testing claimed
Manufacturer statement
Swanson’s quality pages state that ‘All finished products are inspected by our Quality Control specialists and tested by independent third-party laboratories to ensure that each supplement contains exactly what’s stated on the label,’ and that the company ‘utilize[s] third-party pharmaceutical-grade testing to ensure purity, potency, and reliability.’ However, I did not find a product-specific COA, lab report, or certifying-body registry entry for this specific Lion’s Mane product.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-27 17:17:39
$0.71/dayDaily cost
$21.29Per pack
View Analysis →Buy Nowon Amazon

Swanson Lion’s Mane Mushroom 500 mg 500mg – Capsules

Lion’s Mane
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
18/25
Value
18/20
Dose transparency
11/15
Manufacturer transparency
9/10
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
Testing claimed
Manufacturer statement
Swanson’s quality pages say: “We utilize third-party pharmaceutical-grade testing to ensure purity, potency, and reliability” and “All Swanson products undergo rigorous testing…”; the product page itself also says the brand is “Expertly Crafted” and “Expert tested and science backed,” but no independently verifiable product-specific COA or certification for this exact Lion’s Mane item was found.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-27 17:26:55
$0.26/dayDaily cost
$15.39Per pack
View Analysis →Buy Nowon Amazon

Swanson Vitamin B12 Cyanocobalamin 500 mcg, 250 Vegan Capsules

Vitamin B12
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
16/25
Value
19/20
Dose transparency
14/15
Manufacturer transparency
5/10
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
Testing claimed
Manufacturer statement
Swanson’s own quality page says: “All ingredients used in Swanson brand supplements require documentation from the supplier, including a Certificate of Analysis… Our ingredients are tested at various stages throughout the production process to verify purity and potency. All finished products are inspected by our Quality Control specialists and tested by independent third-party laboratories to ensure that each supplement contains exactly what’s stated on the label.”
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-13 20:09:48
$0.05/dayDaily cost
$13.19Per pack
View Analysis →Buy Nowon Amazon

How this brand compares

Compared with The Supplement Compare US catalogue.

MetricSwansonSite averageDifference
Average product scoren=4 / 43172/10070/100+2 pts
Testing transparencyn=4 / 43145/10047/100-2 pts
Price per dayn=4 / 431$0.27/day$0.38/day-29%
Formulation qualityn=4 / 43178/10080/100-2 pts

Unweighted product averages; the site average includes this brand. Category mix, doses and sample sizes differ, so this is catalogue context, not a like-for-like ranking. Each row requires at least 3 brand and 10 catalogue observations.

Transparency summary

What the current records support, and where evidence is incomplete.

What we could verify

  • Company identity recorded; see the linked company source.
  • 4 published products with regional retailer listings.

What we could not verify

  • Recognised brand-level certification has not been reviewed in this profile.
  • A public COA database has not been confirmed in this profile.
  • No tracked product currently has a verified independent laboratory report or recognised certification status.
  • The manufacturing model is not disclosed in the stored record.

Not confirmed does not mean it does not exist. Company statements and manufacturer COAs are distinct from independently verified testing.

Sources & last reviewed

Last reviewed: Not recorded

Company sources support brand information; product labels and retailer listings support product data. Testing sources retain their recorded evidence status.

View 7 linked sources