NAD⁺ Nasal Spray Quality Checklist
A comprehensive framework for evaluating NAD⁺ nasal spray quality, testing, and brand credibility
Not all NAD⁺ nasal sprays are created equal. Quality varies significantly between brands based on ingredient sourcing, manufacturing standards, testing protocols, and company transparency. This checklist provides a systematic framework for evaluating products so you can make informed decisions based on objective criteria rather than marketing claims.
How to Use This Checklist
For each NAD⁺ nasal spray you're considering, review the criteria below. Give one point for each item where the answer is "yes" or the brand meets the standard. A perfect score isn't necessary—even excellent products might not check every box—but this helps you compare options objectively.
Scoring interpretation: We'll provide guidance at the end for what different score ranges suggest about product quality.
Section 1: Product Formulation & Ingredients (10 points possible)
NAD⁺ Concentration Clearly Listed
Does the label specify exactly how much NAD⁺ is in each spray (mg per spray) or serving? Vague terms like "highly concentrated" don't count—you need actual numbers.
Complete Ingredient List Provided
Are all ingredients listed, including excipients (inactive ingredients)? "Proprietary blend" without details is a red flag.
Purpose of Each Ingredient Explained
Can you find information (website, label, customer service) explaining why each ingredient is included? Quality brands explain stabilizers, buffers, preservatives, etc.
pH Information Available
Does the company provide pH information or state that the formula is optimized for nasal tissue compatibility?
Refrigeration Requirements Stated Clearly
Are storage requirements clearly communicated? Products claiming room-temperature stability for NAD⁺ should explain the technology enabling this.
Expiration/Use-By Date Included
Does each bottle have a clear expiration or "best by" date? This indicates the manufacturer tracks stability and potency over time.
Bottle Material Appropriate
Is the bottle made of amber glass or opaque plastic to protect from light? Clear bottles allow light degradation of NAD⁺.
Spray Mechanism Quality
Is the spray pump well-made and easy to use? Cheap, inconsistent spray mechanisms deliver variable doses.
No Unnecessary Additives
Does the formula avoid unnecessary artificial colors, flavors, or fillers that don't serve a preservation or stability function?
Allergen Information Provided
Are common allergens clearly disclosed (or their absence noted)? This shows attention to consumer safety.
Section 2: Testing & Quality Assurance (10 points possible)
Third-Party Testing Conducted
Does the company use independent laboratories to verify product quality, not just internal testing?
Certificates of Analysis (COAs) Available
Can you access COAs showing test results for identity, potency, purity, and contaminants? Even if not publicly posted, responsive companies provide COAs upon request.
Batch/Lot Numbers on Bottles
Does each bottle have a lot or batch number? This enables traceability and indicates quality control systems.
Microbial Testing Conducted
Is testing for bacteria, mold, and yeast part of the quality assurance process?
Heavy Metal Testing
Are products tested for lead, mercury, arsenic, and cadmium contamination?
Stability Testing Performed
Does the company conduct stability studies to establish shelf life and storage requirements?
GMP Manufacturing Standards
Is the product manufactured in a facility following Good Manufacturing Practices (ideally FDA-registered for dietary supplements)?
Testing Frequency Disclosed
Does the company test every batch, or at minimum, explain their testing schedule (every X batches, quarterly, etc.)?
Identity Verification
Is the NAD⁺ verified to actually be NAD⁺ (not degraded or substituted compounds)? Methods like HPLC or mass spectrometry confirm molecular identity.
Potency Verified Against Label Claims
Is testing conducted to ensure the actual NAD⁺ content matches what's stated on the label (typically within ±10%)?
Section 3: Company Transparency & Trust (8 points possible)
Clear Company Contact Information
Is it easy to find phone numbers, email, and physical business address? Legitimate companies don't hide.
Responsive Customer Service
Does the company respond to inquiries promptly and helpfully? Test this before purchasing if possible.
Educational Resources Provided
Does the company offer educational content about NAD⁺, proper use, and realistic expectations (not just marketing hype)?
Medical/Scientific Advisory Board or Formulator
Is the product formulated by or overseen by physicians, pharmacists, or scientists with relevant credentials?
Transparent Pricing
Is pricing straightforward, or are there hidden subscription traps, mandatory "clubs," or deceptive pricing tactics?
Clear Return/Refund Policy
Does the company stand behind their product with a reasonable satisfaction guarantee or return policy?
Honest Marketing Claims
Does marketing focus on supporting normal cellular functions, or do they make disease treatment claims that violate FDA regulations?
Company Longevity/Reputation
Has the company been in business for a reasonable time with positive reputation, or are they a fly-by-night operation?
🚩 Immediate Red Flags - Avoid These Products
If you encounter any of these, seriously reconsider the product regardless of other factors:
- Refuses to disclose ingredients: "Proprietary formula" with no ingredient list
- Makes disease treatment claims: "Cures," "treats," or "prevents" specific diseases
- No contact information: Can't find a way to reach the company
- Fake or misleading testimonials: Obviously fabricated reviews or celebrity endorsements
- Extremely cheap pricing: If it's dramatically cheaper than all competitors, question quality
- Pressure tactics: "Limited time," "buy now," countdown timers creating false urgency
- Can't verify third-party testing claims: Says "third-party tested" but provides no evidence
- Unclear about refrigeration: Doesn't address whether NAD⁺ requires cold storage
Scoring Your Results
Interpret Your Checklist Score (out of 28 possible points)
Excellent Quality
This product demonstrates strong commitment to quality, transparency, and consumer trust. These are the hallmarks of a premium NAD⁺ supplement.
Good Quality
This product meets most important criteria. Missing points might be in areas less critical to safety and efficacy. Consider where points were lost—if it's minor items, this could still be a solid choice.
Moderate Concerns
This product has some quality indicators but falls short in important areas. Evaluate whether the missing criteria are dealbreakers for you. Consider looking for better options.
Significant Quality Issues
This product lacks many fundamental quality markers. Unless there are exceptional circumstances explaining the low score, we recommend exploring other options.
Beyond the Checklist: Gut Check
Checklists provide objective frameworks, but also trust your instincts:
- Does the company feel trustworthy and responsive to your questions?
- Do their educational materials demonstrate genuine expertise or just marketing?
- Does the price align with the apparent quality and company overhead?
- Would you feel comfortable recommending this product to someone you care about?
Sometimes a product scores well on paper but something feels off—pay attention to that. Conversely, a slightly lower score isn't automatically disqualifying if the company excels in the areas most important to you.
Applying This Checklist
To use this checklist effectively:
- Research each product thoroughly: Visit company websites, read labels, contact customer service with questions from the checklist.
- Take notes: Keep track of which criteria each product meets. This helps with comparisons.
- Compare scores: Once you've evaluated 2-3 options, compare their total scores and where they differed.
- Weigh what matters most: Decide which categories matter most to you. Some people prioritize testing (Section 2), others care most about company transparency (Section 3).
- Make an informed decision: Choose the product that best aligns with your priorities and budget, backed by objective evaluation rather than marketing claims.
For detailed guidance on specific quality factors, see our Ingredients & Formulation Guide.
Genesis Longevity Partners: Committed to Quality
Our physician-formulated NAD⁺ nasal spray is designed to score highly on this checklist. We provide third-party testing, complete transparency, and responsive customer support because quality matters.
Shop NAD⁺ Nasal Spray