Grade: C

MEDIUM RISK

Guang Ci Tang

Item: Guang Ci Tang
Rating: 50
Author: SupplementChecker

Guang Ci Tang has a SupplementChecker trust score of 50/100, a grade of C, indicating a MEDIUM risk level. Guang Ci Tang does not appear to conduct third-party testing on its products. Consumers should be aware of the lack of independent verification when considering Guang Ci Tang products.

Guang Ci Tang Trust Summary

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

Guang Ci Tang 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.

Where to Buy Guang Ci Tang

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

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 Guang Ci Tang Third-Party Tested?

No — Guang Ci Tang 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 Guang Ci Tang a Good Brand?

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

About Guang Ci Tang

Guang Ci Tang is a US-based herbal supplement brand operating independently. The founding date of Guang Ci Tang is unknown. They offer a range of herbal products.

Product Specialization

Guang Ci Tang specializes in herbal supplements. Their product line includes a variety of traditional herbal formulas.

Testing & Certifications Explained

Guang Ci Tang does not have any third-party testing certifications on record. This means that no independent organization has verified the contents, purity, or potency of their supplements. Consumers should be aware that the absence of third-party testing increases the risk of contamination, inaccurate labeling, and potential safety concerns.

How Guang Ci Tang Compares

Compared to brands like Gaia Herbs (trust score 85/100) and Thorne Research (trust score 92/100), which invest heavily in third-party testing and certifications, Guang Ci Tang lags behind in transparency and verification. Another competitor, Herb Pharm (trust score 65/100), demonstrates a higher level of commitment to quality through disclosed sourcing and testing, setting a higher standard than Guang Ci Tang.

Buying Guidance

Given Guang Ci Tang's lack of third-party testing, consumers should exercise caution when purchasing their products. Purchase directly from Guang Ci Tang or authorized retailers to minimize the risk of counterfeit products. Carefully review product labels and research individual ingredients before use.

Frequently Asked Questions

Has Guang Ci Tang had any recalls?

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

Are Guang Ci Tang supplements third-party tested?

No — Guang Ci Tang 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 Guang Ci Tang safe?

Guang Ci Tang 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 Guang Ci Tang a good brand?

Guang Ci Tang 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.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

65/100

Lower rated

Brightside

Grade B • Higher score

65/100

Lower rated

Outwork Nutrition

Grade B • Higher score

65/100

Lower rated

Vital Vitamins

Grade B • Higher score

65/100

Lower rated

Thesis

Grade B • Higher score

65/100

Lower rated

Traditional Medicinals

Grade B • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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.

Promote Your Trust Score

Embed this badge on your site — it displays Guang Ci Tang's verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/guang-ci-tang/" width="220" height="110" frameborder="0" loading="lazy" title="Guang Ci Tang trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/guang-ci-tang/" width="320" height="160" frameborder="0" loading="lazy" title="Guang Ci Tang trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/guang-ci-tang/" width="420" height="210" frameborder="0" loading="lazy" title="Guang Ci Tang trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Guang Ci Tang's trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed Guang Ci Tang and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →