Grade: C

MEDIUM RISK

NS Natural Stacks

Item: NS Natural Stacks
Rating: 50
Author: SupplementChecker

NS Natural Stacks has a SupplementChecker.co trust score of 50/100, which translates to a grade of C and a MEDIUM risk level. NS Natural Stacks does not appear to have any third-party testing certifications. This means consumers cannot independently verify the purity and potency of NS Natural Stacks products.

NS Natural Stacks Trust Summary

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

NS Natural Stacks 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 NS Natural Stacks Third-Party Tested?

No — NS Natural Stacks 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 NS Natural Stacks a Good Brand?

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

About NS Natural Stacks

NS Natural Stacks is an independent supplement brand with an unknown founding date. Headquartered in the US, NS Natural Stacks offers a range of supplements.

Product Specialization

NS Natural Stacks focuses on supplements in the fish oil, herbal, minerals, and protein categories. They offer a variety of products within these categories, catering to different health and wellness needs.

Testing & Certifications Explained

NS Natural Stacks does not have any third-party testing certifications on record. This means that no independent organization has verified the quality, purity, or potency of their products. Consumers must rely solely on the brand's own claims, which may not be sufficient for those seeking independently verified supplements.

How NS Natural Stacks Compares

Compared to competitors like NOW Foods (trust score 75) and Thorne Research (trust score 90), NS Natural Stacks' trust score is considerably lower. Both NOW Foods and Thorne Research have earned certifications from organizations like NSF International and USP, indicating a higher level of independent quality verification. This difference in certification status affects the overall perception of brand trustworthiness.

Buying Guidance

Given the lack of third-party testing, consumers should exercise caution when considering NS Natural Stacks products. Purchase directly from the manufacturer or authorized retailers to minimize the risk of counterfeit products. Carefully review product labels and research individual ingredients before use.

Frequently Asked Questions

Has NS Natural Stacks had any recalls?

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

Are NS Natural Stacks supplements third-party tested?

No — NS Natural Stacks 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 NS Natural Stacks safe?

NS Natural Stacks 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 NS Natural Stacks a good brand?

NS Natural Stacks 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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