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Osavi OptiZinc 15mg + Copper
Product analysis · Osavi

Osavi OptiZinc 15mg + Copper

Methionine · Capsule

Why this score?
Testing & evidence
22/25
Ingredient/formulation quality
15/20
Value
7/20
Dose context & clarity
12/15
Manufacturer transparency
3/10
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: 22/25
£8.00Amazon
CapsuleFormat
15 mgDaily dose
60 capsulesPack size
£0.13Price/day
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The score, explained

Our scoring methodology
Testing & evidence85.9/100
22 points contributed · weighting 25
Ingredient/formulation quality75/100
15 points contributed · weighting 20
Value36/100
7 points contributed · weighting 20
Dose context & clarity80/100
12 points contributed · weighting 15
Manufacturer transparency30/100
3 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

Verified independent evidence

Evidence status
Verified independent evidence
Manufacturer statement
Osavi’s own product quality/certificate pages state: “Each batch is sent to an independent laboratory - J.S.Hamilton or GBA and analysed for, i.a. heavy metal content, microbiological purity and substance content as declared on the label.” The lot certificate page for Zinc + Copper, 15 mg + 1 mg also says: “This supplement has been laboratory tested by an independent laboratory and meets the requirements for purity and composition.”
Laboratory
J.S.Hamilton or GBA
Certification body
Not recorded
Batch
S230522
Batch-specific report
Recorded
Report date
2025-07-20
Evidence checked
2026-09-14 08:47:16

Dose & value

Zinc form
MethionineCapsule
Serving size
1 capsule after a meal (recommended daily portion)
Pack size
60 capsules
Servings per day
1
Price per day
£0.13
Price last checked
2026-09-13 08:48:31

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.

Zinc formulation details

Zinc comparison form
Methionine
Zinc compounds as disclosed
Mono-L-methionine sulphate (OptiZinc)
Elemental zinc / serving (mg)
15
Elemental zinc / day (mg)
15
Compound mass / serving (mg), only if disclosed
Not disclosed
Label NRV / serving (%)
Not disclosed
Calculated zinc NRV / serving (%)
150
Copper included (yes / no / unknown)
yes
Elemental copper / serving (mg)
1
Copper printed in micrograms, if stated
Not disclosed
Elemental copper / day (mg)
1
Copper form as disclosed
Cupric citrate
Vitamin C included as active (yes / no / unknown)
no
Vitamin C / serving (mg)
Not disclosed
Pack size as labelled
60 capsules
Recommended serving / frequency
1 capsule after a meal (recommended daily portion)
Comparison basis for a serving range
Not disclosed
Units / serving
1
Label use (daily / short_term / unknown)
daily
Maximum course days, if stated
Not disclosed
Other active ingredients
Inulin; amount not disclosed
Sugars / sweeteners
None listed
Flavour
Vanilla
Allergen statement
No separate allergen statement captured; check the current pack
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.

Ingredients & suitability

Vegan Vegetarian

Excipients
Inulin, shell (hydroxypropyl methyl cellulose), OptiZinc® (zinc mono-L-methionine sulfate, natural vanilla flavouring), cupric citrate.
Allergens
No separate allergen statement captured; check the current pack
Carrier / source
Not disclosed — check the current label
Other active ingredients
Inulin; amount not disclosed

Manufacturer transparency

Brand
Osavi
Legal company
Not recorded
Manufacturing model
Not recorded
Manufacturing location
Not recorded

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

Igennus Zinc Complex 25mg + Copper

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
9/20
Dose context & clarity
12/15
Manufacturer transparency
3/10
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
Nutrasource registry page for this product states: "IGEN™ Certified" and "This product has PASSED because it does not contain detectable amounts of genetically engineered GMO proteins and genes included in the IGEN™ testing panel."
Laboratory
Not recorded
Certification body
Nutrasource / IGEN™
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 08:56:49
£0.09per day
£15.95per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Thorne Zinc Picolinate 15mg

Why this score?
Testing & evidence
21/25
Ingredient/formulation quality
15/20
Value
5/20
Dose context & clarity
12/15
Manufacturer transparency
3/10
Label/ingredient transparency
8/10
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 states: "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 Certified for Sport registry page for Thorne® Zinc Picolinate 30 mg confirms the product is certified, with brand Thorne, product type Immune Aid/Mineral, package size 60, serving size 1 capsule, and website thorne.com.
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 08:35:59
£0.22per day
£13.17per pack
View AnalysisBuy Nowon Amazon
Compare alternative

VitaBright Zinc 25mg + Copper

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
15/20
Value
20/20
Dose context & clarity
12/15
Manufacturer transparency
3/10
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
Testing claimed
Manufacturer statement
Manufacturer page says "Product Testing & Quality Controls" and includes a section "Who performs your testing, an in-house lab or an independent third party?" plus the product page says "Are your products batch-tested or just tested on the formula once?" and "Do you have a Certificate of Analysis (CoA) for your products or their ingredients?" but I did not find a product-specific COA/lab report or a certifying-body registry entry for this VitaBright zinc+copper 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
2026-09-14 09:01:44
£0.02per day
£6.99per pack
View AnalysisBuy Nowon Amazon