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Customs policies vary widely from country to country; please contact your local customs office for more information. When customs clearance procedures are required, it can cause delays beyond our original delivery estimates. 

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RENUE BY SCIENCE is not responsible for any cost incurred by the customer for orders rejected by the local customs office.

When administered sublingually, approximately 30% of a 125 mg dose of NMN is absorbed through the tissues under the tongue, with the remainder being swallowed. As the dosage increases, the absorption percentage tends to decrease due to the limited transport capacity of the capillaries. In contrast, liposomal delivery methods offer significantly higher bioavailability, allowing a greater percentage of the active ingredient to enter the bloodstream. Additionally, liposomes provide protection for the payload against degradation once it has entered the circulatory system.

One of the key advantages of liposomal delivery is its extended-release profile. Liposomes can release their payload over an extended period, up to 24 hours in some cases. This prolonged release is particularly beneficial when administering larger dosages, as it helps maintain consistent levels of the active ingredient in the system.

Despite the benefits of liposomal delivery, sublingual administration offers its own unique advantages. The rapid delivery to the bloodstream can be particularly beneficial when taken before physical exercise. Furthermore, many users report experiencing an energy surge shortly after sublingual administration, which serves as a tangible confirmation of the supplement's efficacy.

While our liquid and powdered liposomal products achieve similar bioavailability in the bloodstream, they differ in several key aspects:

Release Profile: Powdered capsules tend to release their payload more gradually over a 24-hour period, whereas liquid formulations typically have a faster release rate. The impact of this difference on overall effectiveness is still under investigation.

Taste and Texture: Liquid liposomal products have a smooth texture and may be easier to swallow for some users. Powdered capsules are just like a typical supplement capsules.

Portability: Powdered liposomal capsules are generally more portable and travel-friendly, as they're less prone to spills and don't count towards liquid restrictions in air travel.

Storage Requirements: Both forms have a two-year shelf life when stored at room temperature.

Liposomal powder capsules are stable at high temperatures. However, liposomal gels are heat-sensitive and shouldn't be exposed to temperatures above 115°F (46°C) for more than a few days. Prolonged heat exposure can cause liposomes in gel form to break down, potentially reducing the product's effectiveness.

No. Delayed Release and Extended Release capsules offer limited protection for ingredients. They mainly shield contents from stomach acid and delay release, but don't truly provide sustained ingredient delivery over time.

Liposomes, on the other hand, go the extra mile. They safeguard their payload throughout the entire digestive tract and into the bloodstream. Depending on the specific liposome, they can then release the contents gradually for up to 24 hours.

The benefits of liposomal delivery are twofold: it significantly boosts bioavailability and provides genuine sustained release. For any supplement known to have poor absorption, liposomal delivery should be the go-to method for maximum effectiveness.

If you're using pure NMN powder for sublingual intake, simply scoop the recommended amount into your mouth and tuck it under your tongue. Let it sit there and dissolve naturally - no need to swallow right away.

For those taking NMN tablets, the process is similar. Place the tablet under your tongue and resist the urge to chew or swallow it immediately. This method helps maximize absorption through the tissues in your mouth.

If you've opted for a liposomal gel product, squeeze the appropriate dose into your mouth and, you guessed it, hold it under your tongue. The gel format is designed to boost absorption and protect the NMN as it enters your system.

Aim to keep any of these products under your tongue for about 30-45 seconds. This gives enough time for the NMN to be absorbed through the sublingual tissues, potentially increasing its effectiveness.

Don't worry if you end up swallowing sooner than planned, especially with liposomal products. The liposomes act like tiny protective bubbles, shielding the NMN from stomach acid. This means it can still be absorbed through your intestines and make its way into your bloodstream, ensuring you still get the benefits of the supplement.

Sublingual delivery allows rapid absorption of supplements through blood vessels under the tongue, bypassing the digestive system. This method offers faster action and potentially better absorption than swallowing supplements.

In terms of efficiency, sublingual delivery outperforms oral administration significantly. It's only surpassed by liposomal delivery and intravenous injection, though the latter is rarely used for routine supplements.

Our NMN raw ingredients are sourced from select suppliers in China, which is a common practice in the vitamin and supplement industry. While we have previously worked with multiple vendors, we currently source exclusively from Effepharm due to their consistent reliability and quality. However, we maintain relationships with other suppliers to ensure uninterrupted supply.

Safety and purity are our top priorities, and we have implemented rigorous testing procedures that exceed industry standards. Our process includes initial testing of raw ingredients upon receipt in the United States, followed by further processing and refinement. We then conduct comprehensive testing of each batch of finished product to ensure the highest quality.

We are committed to full transparency in our quality control process. As the only brand in the industry to do so, we publish detailed test results for every batch of finished product on our website. Each product is labeled with a batch number, allowing customers to verify the specific test results for their purchase.

While our raw materials originate in China, all processing, testing, and packaging occur in FDA-registered facilities in the United States. This approach ensures that our products meet the highest standards of quality and safety.

By adhering to these stringent practices, we aim to provide our customers with NMN supplements of unparalleled quality and reliability. Our commitment to transparency, quality assurance, and domestic manufacturing sets us apart in the industry.

Our dedication to customer safety and satisfaction is unwavering. We believe that by maintaining these high standards and open communication with our customers, we can continue to deliver products that meet and exceed expectations.

The NAD+ molecule is large and doesn't directly enter cells as efficiently as NMN or NR, but we decided to include it in NAD+ Complete (along with NMN, NR and trigonelline) because it offers unique benefits that other metabolites do not.

NAD is a complete, stable molecule that the body breaks down to ADP (to generate energy) and other useful familiar metabolites like NMN, then NR and finally NAM. NAD+ is far more stable in the bloodstream than NMN and NR which rapidly disappear. The NAD+ is not "trapped" and useless as some people may imply. NAD is not excreted from the body when its levels are very high, as with NAM. It serves as the most efficient storage and transport NAD metabolite.

Even without direct entry into your cells, NAD+ interacts with cell receptors and enzymes, enhancing beneficial signaling pathways. There's also a possibility of beneficial extracellular functions from the NAD+ itself.

As the NAD+ breaks down, its metabolites are also utilized by cells to synthesize new NAD+. This combination of NAD+ with NMN/NR provides a holistic approach to boosting NAD+ levels and why many people prefer NAD+ Complete (and experience better results) over taking NMN or NR by themselves.

We conduct rigorous testing on every batch of NMN upon arrival in the United States, prior to processing. For transparency, we publish these test results on each product page in the CERTIFICATIONS section.

Our unique approach involves testing the finished product and posting results with corresponding batch numbers on our website. This allows customers to verify the test results for their specific purchase using the batch number on their item.

To the best of our knowledge, we are the only brand in the industry that provides this level of transparency for finished products. We take pride in ensuring that all our products are processed, tested, and packaged within the United States, maintaining strict quality control throughout the entire production process.

NAD+ levels naturally decline with age, typically beginning around 25 years old. The primary purpose of taking NAD+ precursors like NMN is to restore these levels to those of your younger years. However, age isn't the sole factor affecting NAD+ levels; stress, inflammation, environmental toxins, and sleep deprivation can also contribute to its decline.

Given these various factors, NMN supplementation can be beneficial at any age. While an NAD+ blood test is the most accurate way to determine if your levels are suboptimal, taking NMN is generally considered safe even for younger individuals. It's viewed as a proactive approach to maintaining optimal NAD+ levels, regardless of age.

Numerous studies on mice have shown promising results for NMN, including increased endurance, new blood vessel growth, and improved glucose tolerance, among other benefits.

To date, 21 human studies on NMN have been conducted. For those interested in delving deeper, summaries of these studies and links to the full research papers are available on our website.

Beyond scientific research, there's a wealth of anecdotal evidence from users. We encourage you to join our /Renue subreddit to connect with other users, ask questions, and learn about personal experiences with these supplements. This community platform provides valuable insights into real-world applications and outcomes of NMN supplementation.

No. NAD+ boosting supplements may, in some instances, lead to a depletion of methyl groups in the body. Trimethylglycine (TMG) plays a crucial role in restoring these methyl groups. As NAD+ is metabolized, it breaks down into Nicotinamide (NAM). To eliminate excess NAM, a methyl group is attached, forming methylnicotinamide (MeNAM) for excretion. This process can potentially stress the body's methyl group reserves, potentially affecting other essential methylation functions.

It's important to note that current research doesn't indicate methyl depletion or a need for TMG supplementation with normal dosages (less than 1,000mg) of NMN or NR. However, some healthcare professionals recommend TMG as a precautionary measure, and many individuals choose to take it alongside NMN or NR as a safeguard.

TMG offers a range of potential benefits beyond methyl group replenishment. For those interested, we offer TMG as part of our TMG Methylation Essentials combination supplement.

No. Our LIPO NMN product has been formulated for stability at room temperature, eliminating the need for refrigeration. This shelf-stable characteristic is a result of our advanced liposomal technology, which effectively protects the NMN molecules from degradation under normal storage conditions.

No. Our LIPO NMN is designed to be flexible in its administration, catering to your personal preferences and daily routine. You have the option to take it with or without food, as neither method impacts its effectiveness.

If you choose to take it on an empty stomach, rest assured that the supplement is formulated to be gentle and well-tolerated. For those who prefer to take supplements with meals, you can easily incorporate it into your regular meal times without concern for reduced efficacy.

The absorption rate of NMN varies significantly depending on the delivery method. When pure NMN powder is administered sublingually (under the tongue), approximately 30% of the dose enters the bloodstream. This method already offers improved bioavailability compared to oral ingestion.

However, our liposomal delivery system represents a substantial advancement in NMN absorption. Based on our research and product development, we estimate that over 90% of the NMN in our LIPO NMN formulation reaches the bloodstream. This remarkable increase in bioavailability is attributed to the protective and transport-enhancing properties of liposomes.

To put this into perspective, LIPO NMN is approximately three times more efficient in delivering NMN to your system compared to sublingual administration of pure powder. This enhanced efficiency means that a lower dose of LIPO NMN can potentially provide similar or greater benefits than a higher dose of non-liposomal NMN, offering both improved effectiveness and value.

Any time of day. Our liposomal delivery system offers dual benefits: it protects the NMN payload and facilitates a gradual release over a 24-hour period. This controlled release mechanism prevents sudden spikes of the supplement in the bloodstream, contributing to a more stable and sustained effect.

To date, we have not received any reports of sleep disturbances associated with LIPO NMN consumption. This absence of reported side effects, coupled with the time-released formula, provides you with flexibility in terms of when you choose to take the supplement. You're free to incorporate it into your routine at a time that best suits your preferences and lifestyle.