Grade: C

MEDIUM RISK

Natural Guardian

Item: Natural Guardian
Rating: 50
Author: SupplementChecker

Natural Guardian has a Trust Score of 50/100, which is a Grade C and indicates a MEDIUM risk level. No third-party testing certifications were found for Natural Guardian products. This raises concerns about independent verification of product quality and ingredient accuracy.

Natural Guardian Trust Summary

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

Natural Guardian 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 Natural Guardian

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 Natural Guardian Third-Party Tested?

No — Natural Guardian 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 Natural Guardian a Good Brand?

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

About Natural Guardian

Natural Guardian is a US-based supplement brand operating independently. The founding date is unknown. They offer a range of supplements in the health and wellness market.

Product Specialization

Natural Guardian focuses on supplements in the fish oil and minerals categories. They offer products such as omega-3 fatty acid supplements and various mineral supplements.

Testing & Certifications Explained

Natural Guardian does not appear to have any third-party testing certifications. This means that no independent organization has verified the quality, purity, or potency of their products. For consumers, this lack of certification means there's less assurance that the product contains what the label claims and is free from contaminants. Consumers seeking third-party tested supplements may want to consider other brands.

How Natural Guardian Compares

Compared to competitors like Nordic Naturals (Trust Score 85, third-party tested and certified) and NOW Foods (Trust Score 78, third-party tested and certified), Natural Guardian's Trust Score is considerably lower. These competitors invest in certifications to demonstrate product quality, which Natural Guardian currently does not. Another competitor, Viva Naturals (Trust Score 65, some third-party testing), also demonstrates a higher level of trust.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when considering Natural Guardian products. If you choose to purchase, buy directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Always carefully review the product label and consult with a healthcare professional before use. Consider that Natural Guardian reviews may be biased and to seek out objective information.

Frequently Asked Questions

Has Natural Guardian had any recalls?

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

Are Natural Guardian supplements third-party tested?

No — Natural Guardian 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 Natural Guardian safe?

Natural Guardian 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 Natural Guardian a good brand?

Natural Guardian 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 Natural Guardian'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/natural-guardian/" width="220" height="110" frameborder="0" loading="lazy" title="Natural Guardian trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/natural-guardian/" width="320" height="160" frameborder="0" loading="lazy" title="Natural Guardian trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/natural-guardian/" width="420" height="210" frameborder="0" loading="lazy" title="Natural Guardian trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Natural Guardian'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 Natural Guardian and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →