InterPlexus Seriphos™, 100 Vegetarian Capsules supplement bottle
InterPlexus

Seriphos™, 100 Vegetarian Capsules

What We Researched
4 active ingredients analyzed · 3 inactive ingredients decoded · 3 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
81
Product Score Good
55
Brand Score Poor

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (as phosphate, ethylamino-phosphate) 56 mg 6%
Magnesium (as oxide, phosphate, ethylamino-phosphate) 66 mg 16%
Phosphorus (as phosphate) 210 mg 17%
Proprietary BlendSodium phosphate, dicalcium phosphate, dipotassium phosphate, magnesium oxide, L-serine, dimagnesium phosphate, magnesium ethylamino-phosphate, calcium ethylamino-phosphate, phosphoserine 1000 mg **
Bioavailability Excellent

Absorption Rating

  • Calcium (as phosphate, ethylamino-phosphate) Good
  • Magnesium (as oxide, phosphate, ethylamino-phosphate) Good
  • Phosphorus (as phosphate) Good
  • Proprietary BlendSodium phosphate, dicalcium phosphate, dipotassium phosphate, magnesium oxide, L-serine, dimagnesium phosphate, magnesium ethylamino-phosphate, calcium ethylamino-phosphate, phosphoserine Good
Other Ingredients Excellent

Fillers & Additives

  • Magnesium stearate (palm vegetable)
  • Cellulose
  • Vegetarian capsule shell (hypromellose, water)
Efficacy Poor

Dosage Analysis

  • Calcium (as phosphate, ethylamino-phosphate) 56 mg Under-dosed
  • Magnesium (as oxide, phosphate, ethylamino-phosphate) 66 mg Under-dosed
  • Phosphorus (as phosphate) 210 mg Under-dosed
  • Proprietary BlendSodium phosphate, dicalcium phosphate, dipotassium phosphate, magnesium oxide, L-serine, dimagnesium phosphate, magnesium ethylamino-phosphate, calcium ethylamino-phosphate, phosphoserine 1000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium (as phosphate, ethylamino-phosphate) 56 mg 6%
Magnesium (as oxide, phosphate, ethylamino-phosphate) 66 mg 16%
Phosphorus (as phosphate) 210 mg 17%
Proprietary BlendSodium phosphate, dicalcium phosphate, dipotassium phosphate, magnesium oxide, L-serine, dimagnesium phosphate, magnesium ethylamino-phosphate, calcium ethylamino-phosphate, phosphoserine 1000 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Magnesium stearate (palm vegetable) Unknown
Cellulose Safe

Provides bulk and structure in tablets and capsules.

Vegetarian capsule shell (hypromellose, water) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$38$37$36$34$33 Mar 12 $36.09$35.00
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
InterPlexus

Founded 1989 · Washington, United States · 8 products · interplexus.com/

Certifications

3 certifications
Fda Gmp Inspections Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Related Supplements
Frequently Asked Questions
Is InterPlexus Seriphos™, 100 Vegetarian Capsules a good supplement?

InterPlexus Seriphos™, 100 Vegetarian Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 4 active ingredients with 100 servings per container. Of the 3 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, InterPlexus, holds a brand trust score of 55/100 with 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project.

What are the ingredients in InterPlexus Seriphos™, 100 Vegetarian Capsules?

InterPlexus Seriphos™, 100 Vegetarian Capsules contains 4 active ingredients: Calcium (as phosphate, ethylamino-phosphate) (56 mg), Magnesium (as oxide, phosphate, ethylamino-phosphate) (66 mg), Phosphorus (as phosphate) (210 mg), Proprietary BlendSodium phosphate, dicalcium phosphate, dipotassium phosphate, magnesium oxide, L-serine, dimagnesium phosphate, magnesium ethylamino-phosphate, calcium ethylamino-phosphate, phosphoserine (1000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is InterPlexus Seriphos™, 100 Vegetarian Capsules safe to take?

InterPlexus Seriphos™, 100 Vegetarian Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is InterPlexus a trustworthy supplement brand?

InterPlexus receives a brand trust score of 55/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1989 and headquartered in Washington, United States, the company offers 8 products in their lineup. They hold 3 verified certifications including Fda Gmp Inspections, Gluten Free Gfco, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.