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OPC Synergy®
Supports antioxidant activity and supports cell functioning*
Explore the foundational nutrition guide →$55.20Price checked 2026-09-20
Buy now through WSNC inSITE ↗You’ll continue to Standard Process’s secure WSNC storefront to review the official product listing and complete your order.
Practitioner guidance matters.
Consult Dr. Fancher or another licensed healthcare practitioner before beginning a new supplement program.
Consult Dr. Fancher or another licensed healthcare practitioner before beginning a new supplement program.
Product overview
What to know about OPC Synergy®
OPC Synergy provides a synergistic blend that exhibits antioxidant activity and supports cell functioning. Review the manufacturer's serving and caution information before ordering.*
Key label facts
One capsule lists a 410 mg proprietary blend of buckwheat ingredients, green tea leaf powder and extract, carrot, grape seed extract, bilberry fruit extract and grape extract. It does not separately declare an OPC, catechin or bilberry amount. Contains sulfites.
These are labeled serving facts. Follow this product’s manufacturer directions and full cautions.
- OPC Synergy provides a synergistic blend that exhibits antioxidant activity and supports cell functioning.
- Manufacturer-listed ingredient and serving details for OPC Synergy® are summarized below.
- Manufacturer directions and cautions are provided to support an informed product choice.
Ingredients and dietary attributes
Ingredient overview
Each Serving Size (1 Capsule) contains: Proprietary Blend 410 mg: Organic buckwheat (aerial parts) juice powder, organic buckwheat (aerial parts), green tea (leaf) powder, organic carrot, grape seed extract, bilberry (fruit) extract, green tea (leaf) extract, and grape extract. Contains: Sulfites. Other ingredients: gelatin, water, and calcium stearate. Consult the current product package for the complete formula.
Dietary and allergen considerations
Keep out of reach of children.
Use the ingredient statement and label on the package you receive as the current source for dietary decisions.
Nutrient references
Ingredient research context
These NIH resources explain ingredients in the formula. They do not test or endorse this product.
Review current OPC Synergy® label and listing in the WSNC inSITE store ↗ for the ingredients and nutrients in this product. The references below give ingredient or nutrient context; they do not test or endorse the formula.
Calcium
This NIH resource provides background on calcium. Check the current product label for the ingredient form and amount; this reference does not test or endorse OPC Synergy®. NIH background: Calcium ↗
Bilberry
This NIH resource provides background on bilberry. Check the current product label for the ingredient form and amount; this reference does not test or endorse OPC Synergy®. NIH background: Bilberry ↗
Compare the label details
OPC Synergy® label comparisons
OPC Synergy® serving amounts, ingredient forms and formula differences. Compare complete labels and manufacturer directions. A shared ingredient or health goal does not make these formulas dose-equivalent.
| Product | Listing focus | Declared formula in brief | Label directions |
|---|---|---|---|
| OPC Synergy®View product →Standard Process | Supports antioxidant activity and supports cell functioning* | One capsule lists a 410 mg proprietary blend of buckwheat ingredients, green tea leaf powder and extract, carrot, grape seed extract, bilberry fruit extract and grape extract. It does not separately declare an OPC, catechin or bilberry amount. Contains sulfites. | One capsule per day, or as directed.Full ingredients and cautions → |
| Vitanox®View product →MediHerb | Antioxidant support* | One tablet lists rosemary extract 133.4 mg, green tea extract 166.7 mg containing 83.35 mg catechins, turmeric extract 80 mg containing 70.4 mg curcuminoids, and grape seed extract 50 mg containing 42.5 mg procyanidins. Total catechins are not a separately declared EGCG amount. | 1 tablet 1 - 2 times daily, or as directed.Full ingredients and cautions → |
| HerbaVitalView product →MediHerb | Multi-action support for healthy aging* | The manufacturer details declare, per tablet, resveratrol 36 mg, grape-seed procyanidins 38 mg, ginsenosides 4.2 mg, ginkgo flavonglycosides 7.2 mg, ginkgolides and bilobalide 1.8 mg, and milk-thistle flavanolignans 48 mg. These are distinct constituents of a five-herb formula, not one total extract amount. | 1 tablet 2-4 times daily, or as directed.Full ingredients and cautions → |
Common questions
OPC Synergy® FAQ
Clear answers based on the current manufacturer listing and practitioner context.
What is OPC Synergy® for?
OPC Synergy provides a synergistic blend that exhibits antioxidant activity and supports cell functioning.
How is OPC Synergy® used?
One capsule per day, or as directed.
What ingredients are in OPC Synergy®?
Each Serving Size (1 Capsule) contains: Proprietary Blend 410 mg: Organic buckwheat (aerial parts) juice powder, organic buckwheat (aerial parts), green tea (leaf) powder, organic carrot, grape seed extract, bilberry (fruit) extract, green tea (leaf) extract, and grape extract. Contains: Sulfites.
Does OPC Synergy contain 410 mg of OPCs?
No. The 410 mg is the entire multi-ingredient proprietary blend per capsule. Individual OPC and extract amounts are not declared. Compare it with Vitanox and HerbaVital using their distinct label disclosures, not by treating blend weight as active-constituent weight.
Source transparency
Product sources and review notes
Product details and formulas may change. Review the current manufacturer listing and the label on the package before use. The date above records a price check; it is not an editorial review date. How we research product information →
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