Grade: B+

MEDIUM RISK

Crystal Star

Item: Crystal Star
Rating: 70
Author: SupplementChecker

https://www.crystalstar.com Est. 1978 (48 years)

Crystal Star has a SupplementChecker trust score of 70/100, a grade of B+, indicating a MEDIUM risk level. Crystal Star does not claim to be third-party tested. However, Crystal Star is GMP Certified and has been in business since 1978.

Crystal Star has a trust score of 70/100 (Good). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and no adverse event reports and has been in business for 48 years.

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Red Flags

⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 1978 (48 years)
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

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

Is Crystal Star Third-Party Tested?

No — Crystal Star is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. 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 Crystal Star a Good Brand?

Crystal Star scores 70/100 (B+) — this is an average score. There may be room for improvement in testing transparency or certifications. Crystal Star has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Crystal Star

Crystal Star is an independent supplement brand founded in 1978. The company is headquartered in the US. Crystal Star formulates and sells a range of herbal supplements, particularly those marketed towards women's health and detoxification.

Product Specialization

Crystal Star specializes in herbal supplements, with a focus on products for women's health and detoxification. Their product range includes herbal blends, capsules, and teas designed to support various aspects of well-being, such as hormonal balance, digestive health, and immune function.

Testing & Certifications Explained

Crystal Star is GMP Certified, which means their manufacturing processes meet certain quality standards. However, Crystal Star does not claim to have third-party testing certifications. This means that their products are not independently verified for ingredient purity, potency, or the absence of contaminants. Consumers should be aware that the absence of third-party testing means there is no independent verification of product claims.

How Crystal Star Compares

Compared to brands like Gaia Herbs (trust score 85/100) and Oregon's Wild Harvest (trust score 78/100), Crystal Star's trust score is lower. Gaia Herbs and Oregon's Wild Harvest both claim to have some third-party testing, while Crystal Star does not. Other competitors in the herbal supplement space include brands like Nature's Way (trust score 65/100), which also has limited third-party testing.

Buying Guidance

Given Crystal Star's trust score and lack of third-party testing claims, consumers should carefully consider their individual needs and risk tolerance. Purchase Crystal Star products from reputable retailers to ensure authenticity. Consumers should research "Crystal Star reviews" and consult with a healthcare professional before use.

Frequently Asked Questions

Has Crystal Star had any recalls?

No — as of 2026, Crystal Star has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. Crystal Star received a trust score of 70/100 from SupplementChecker.

Are Crystal Star supplements third-party tested?

No — Crystal Star supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is Crystal Star safe?

Crystal Star received a trust score of 70/100 (grade: B+, 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 Crystal Star a good brand?

Crystal Star scores 70/100 (grade: B+) — this is an average score. There may be room for improvement in testing transparency or certifications. 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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