Grade: A

LOW RISK

SISTERLY

Item: SISTERLY
Rating: 85
Author: SupplementChecker

SISTERLY has a SupplementChecker trust score of 85/100, which is a Grade A and indicates a LOW risk level. SISTERLY claims to use third-party testing, and all batches are Informed Sport certified. This certification is a strong indicator of product quality and safety.

SISTERLY Trust Summary

Trust Score: 85/100 (Very Good)
Grade: A
Risk Level: LOW
Third-Party Tested: Yes (Informed Sport)
FDA Recalls: 0
Adverse Events: 0

SISTERLY has a trust score of 85/100 (Very Good). The brand is third-party tested by Informed Sport, has no FDA recalls on record and no adverse event reports.

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Red Flags

⚠No GMP certification visible

Verified Strengths

✓Informed Sport certified — every batch tested
✓Claims third-party testing
✓Clean FDA record — no warnings, recalls, or significant adverse events

Certifications

Informed SportThird-Party Tested

Third-party testing means an independent laboratory has verified this product's contents, purity, and potency match what's on the label.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

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

Is SISTERLY Third-Party Tested?

Yes — SISTERLY is Informed Sport certified. This means an independent laboratory has verified that the products' contents, purity, and potency match their label claims.

Is SISTERLY a Good Brand?

SISTERLY scores 85/100 (A) — this is an above-average score indicating a trustworthy brand. SISTERLY has a clean FDA record with no warnings or recalls. The brand holds third-party certifications (Informed Sport certified), which is a strong quality indicator.

About SISTERLY

SISTERLY is an independent supplement brand headquartered in the US. The founding date is unknown. They focus on providing sports nutrition products.

Product Specialization

SISTERLY specializes in sports nutrition supplements. Specific product types are not specified.

Testing & Certifications Explained

SISTERLY is Informed Sport certified. This means that every batch of their products is tested for banned substances by a third-party laboratory. This certification is highly regarded in the sports nutrition industry and provides assurance to athletes and consumers that the products are free from contaminants that could lead to positive drug tests or health risks.

How SISTERLY Compares

Compared to other sports nutrition brands, SISTERLY's trust score of 85 is relatively high. For example, Optimum Nutrition (trust score around 75) also offers third-party tested supplements, while brands like Myprotein (trust score around 60) have less comprehensive testing. Consumers often consult "SISTERLY reviews" to compare experiences.

Buying Guidance

Given SISTERLY's high trust score and Informed Sport certification, their products are a reasonable choice for consumers seeking sports nutrition supplements. Purchase directly from SISTERLY or authorized retailers to ensure authenticity. Always verify the Informed Sport logo on the product packaging.

Frequently Asked Questions

Has SISTERLY had any recalls?

No — as of 2026, SISTERLY has zero FDA product recalls on record. They maintain a clean FDA record with no warning letters or significant adverse event reports. SISTERLY received a trust score of 85/100 from SupplementChecker.

Are SISTERLY supplements third-party tested?

Yes — SISTERLY supplements are third-party tested. They hold the following certifications: Informed Sport. Third-party testing means an independent lab has verified the product's contents, purity, and potency match the label claims.

Is SISTERLY safe?

SISTERLY received a trust score of 85/100 (grade: A, risk level: LOW). 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 SISTERLY a good brand?

SISTERLY scores 85/100, which is an A grade — this is above average and indicates a trustworthy brand. They hold third-party certifications (Informed Sport certified), which is a strong indicator of product quality. 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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Quick Facts

Trust Score: 85/100
Grade: A
Risk Level: LOW
Third-Party Tested: Yes
FDA Recalls: 0
Adverse Reports: 0