Grade: C

MEDIUM RISK

International Vitamin Corporation

Item: International Vitamin Corporation
Rating: 50
Author: SupplementChecker

International Vitamin Corporation has a SupplementChecker.co trust score of 50/100, a Grade of C, and a MEDIUM risk level. Notably, there are no third-party testing certifications on record for International Vitamin Corporation. This means consumers cannot independently verify the purity and potency of International Vitamin Corporation products.

International Vitamin Corporation Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 0

International Vitamin Corporation has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No third-party testing certifications found
⚠No GMP certification visible

Verified Strengths

✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

No certifications on record. This brand has not demonstrated GMP compliance or third-party testing verification.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Clean record — no FDA warnings, recalls, or significant adverse events.

Is International Vitamin Corporation Third-Party Tested?

No — International Vitamin Corporation is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No GMP certification was found on record either. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is International Vitamin Corporation a Good Brand?

International Vitamin Corporation scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. International Vitamin Corporation has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About International Vitamin Corporation

International Vitamin Corporation's founding date is unknown. The company is an independent entity headquartered in the US. They manufacture and sell a range of supplements.

Product Specialization

International Vitamin Corporation focuses on herbal and vitamin supplements. While specific product lines are not detailed, they likely offer a variety of common vitamins and herbal remedies.

Testing & Certifications Explained

International Vitamin Corporation does not have any third-party certifications on record. This means that no independent organization has verified the quality, purity, or potency of their products. Consumers should be aware that the absence of certifications like NSF, USP, or Informed-Sport means there is no external validation of the ingredients or manufacturing processes. The question of 'is International Vitamin Corporation third-party tested' is answered negatively based on available data.

How International Vitamin Corporation Compares

Compared to competitors like Nature Made (trust score 75/100, USP verified) and NOW Foods (trust score 82/100, Informed-Sport certified), International Vitamin Corporation's trust score is significantly lower. These competitors invest in third-party certifications, providing consumers with greater assurance of product quality. Another competitor, Puritan's Pride (trust score 60/100, no certifications), has a slightly higher score but also lacks third-party testing.

Buying Guidance

Given International Vitamin Corporation's trust score and lack of third-party certifications, consumers should exercise caution. Purchase products directly from reputable retailers and carefully examine product labels. Look for any available information on ingredient sourcing or internal testing procedures to make an informed decision. Check 'International Vitamin Corporation reviews' from multiple sources before purchasing.

Frequently Asked Questions

Has International Vitamin Corporation had any recalls?

No — as of 2026, International Vitamin Corporation has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. International Vitamin Corporation received a trust score of 50/100 from SupplementChecker.

Are International Vitamin Corporation supplements third-party tested?

No — International Vitamin Corporation supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. No independent testing or GMP certification was found on record.

Is International Vitamin Corporation safe?

International Vitamin Corporation received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is International Vitamin Corporation a good brand?

International Vitamin Corporation scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

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How We Calculated This Score

Every brand starts with a baseline score of 70/100.

Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean regulatory record (+10), 10+ years in business (+10), organic certification (+5).

Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).

Score is capped at 0-100. Grade and risk level are derived from the final score.

All data sourced from FDA.gov, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.

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