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Circuplex® product family
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Circuplex®

Supports the circulatory and nervous systems*

Explore the brain, mood & nervous system guide →
$76.20Price checked 2026-09-20
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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.
Product overview

What to know about Circuplex®

Circuplex by Standard Process is a whole food-based supplement for vascular health containing niacin and vitamin B6. Review the listed serving, ingredients and cautions before ordering.*

Key label facts

One capsule declares niacin 30 mg and vitamin B6 4.7 mg, plus a 405 mg blend containing RNA, arrowroot, buckwheat, animal tissues and wheat germ. Other ingredients include niacinamide, pyridoxine hydrochloride and gelatin. Contains wheat. No individual RNA amount is declared.

These are labeled serving facts. Follow this product’s manufacturer directions and full cautions.

  • Circuplex by Standard Process is a whole food-based supplement for vascular health containing niacin and vitamin B6.
  • Review the listed ingredients and serving information for Circuplex®.
  • Check the manufacturer cautions and directions before use.

Ingredients and dietary attributes

Ingredient overview

Each Serving Size (1 Capsule) contains: Niacin 30 mg, Vitamin B6 4.7 mg. Proprietary Blend 405 mg: Ribonucleic acid, arrowroot flour, organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine liver, phosphoric acid, porcine stomach, bovine spleen, ovine spleen, calcium lactate, defatted wheat germ, bovine adrenal Cytosol™ extract, porcine brain, inositol, ascorbic acid, and magnesium citrate. Other Ingredients: Gelatin, niacinamide, water, pyridoxine hydrochloride, and calcium stearate. Contains: Wheat. Confirm the current package label before use.

Supplement education

How the FDA describes dietary supplements ↗
NIH Office of Dietary Supplements fact sheets ↗

Dietary and allergen considerations

  • Non-Dairy Formula
  • Non-Soy Formula

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 Circuplex® 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.

  • Vitamin C

    This NIH resource provides background on vitamin c. Check the current product label for the ingredient form and amount; this reference does not test or endorse Circuplex®. NIH background: Vitamin C ↗

  • Niacin (Vitamin B3)

    This NIH resource provides background on niacin (vitamin b3). Check the current product label for the ingredient form and amount; this reference does not test or endorse Circuplex®. NIH background: Niacin (Vitamin B3) ↗

  • Vitamin B6

    This NIH resource provides background on vitamin b6. Check the current product label for the ingredient form and amount; this reference does not test or endorse Circuplex®. NIH background: Vitamin B6 ↗

  • 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 Circuplex®. NIH background: Calcium ↗

  • Magnesium

    This NIH resource provides background on magnesium. Check the current product label for the ingredient form and amount; this reference does not test or endorse Circuplex®. NIH background: Magnesium ↗

Compare the label details

Circuplex® label comparisons

Why check Circuplex’s niacin and B6 across the full daily schedule?. Compare the complete selected labels and manufacturer directions. Shared ingredients or health categories do not establish equivalent formulas or individualized doses.

Compare recorded product information, then open each full product page for complete ingredients and cautions. Serving instructions are product-specific.
ProductListing focusDeclared formula in briefLabel directions
Circuplex®View product →Standard ProcessSupports the circulatory and nervous systems*One capsule declares niacin 30 mg and vitamin B6 4.7 mg, plus a 405 mg blend containing RNA, arrowroot, buckwheat, animal tissues and wheat germ. Other ingredients include niacinamide, pyridoxine hydrochloride and gelatin. Contains wheat. No individual RNA amount is declared.One capsule per meal, or as directed.Full ingredients and cautions →
Niacinamide B6View product →Standard ProcessAids in the breakdown of proteins, fats, and carbohydrates*Each Serving Size (1 Capsule) contains: Niacin 50 mg, Vitamin B_{6} 9 mg. Proprietary Blend 415 mg: Bovine liver, porcine stomach, calcium lactate, soy protein, bovine spleen, ovine spleen, defatted wheat germ, porcine brain, and ascorbic acid.One capsule per day, or as directed.Full ingredients and cautions →
Cyruta® PlusView product →Standard ProcessSupports capillary integrity and function*One tablet lists vitamin C 3 mg and a 306 mg blend of buckwheat juice powder, buckwheat flour, bovine Cytosol extract and oat flour. No separate rutin amount is declared. This is a different formula from Cyruta, not a larger serving of it.One tablet per meal, or as directed.Full ingredients and cautions →

How we distinguish product facts from ingredient research →

Common questions

Circuplex® FAQ

Clear answers based on the current manufacturer listing and practitioner context.

What is Circuplex® for?

Circuplex by Standard Process is a whole food-based supplement for vascular health containing niacin and vitamin B6.

How is Circuplex® used?

One capsule per meal, or as directed.

What is included in Circuplex®?

Each Serving Size (1 Capsule) contains: Niacin 30 mg, Vitamin B6 4.7 mg. Proprietary Blend 405 mg: Ribonucleic acid, arrowroot flour, organic buckwheat (aerial parts) juice powder, organic buckwheat flour, bovine liver, phosphoric acid, porcine stomach, bovine spleen, ovine spleen, calcium lactate, defatted wheat germ, bovine adrenal Cytosol™ extract, porcine brain, inositol, ascorbic acid, and magnesium citrate. Other Ingredients: Gelatin, niacinamide, water, pyridoxine hydrochloride, and calcium stearate. Contains: Wheat. Confirm the current package label before use.

Why check Circuplex’s niacin and B6 across the full daily schedule?

Each capsule declares 30 mg niacin and 4.7 mg B6, and the manufacturer directs one capsule per meal or as directed. Review those amounts alongside other B-vitamin products. The listed niacin ingredient is niacinamide, not a reason to apply nicotinic-acid flushing claims. Niacinamide B6 and Cyruta Plus have different formula profiles, and the current Circuplex blend is 405 mg rather than an older 409 mg listing.

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 →