β-Nicotinamide Adenine Dinucleotide (NAD) is a crucial coenzyme involved in redox reactions and cellular metabolism. Guru Peptides provides research-grade NAD+ with guaranteed purity and stability for scientific applications.

Our NAD+ participates in various physiological activities including cellular material metabolism, energy synthesis, and DNA repair processes. Research indicates NAD+ plays significant roles in renal protection and inflammatory pain modulation through SIRT1 and SIRT2 pathways.

Guru Peptides' NAD+ product shows maximum UV absorption at 260nm (oxidized form) and 340nm (reduced form). The compound serves as substrate for bacterial DNA ligase and sirtuin enzymes, making it valuable for various research applications.
This product is supplied as white to yellowish powder with comprehensive quality control including heavy metals testing, microbial limits, and residual solvent analysis. Guru Peptides maintains strict manufacturing standards for all research compounds.
Communication from Guru Peptides was consistently clear and prompt, which made the entire ordering process straightforward. The customer service team responded to my inquiries quickly and professionally, providing helpful information without delay. This level of attentive service is commendable and greatly appreciated, as it ensures a smooth transaction from start to finish. Regarding the product itself, the NAD arrived in impeccable condition, securely packaged to prevent any damage during transit. The quality appears to be of a high standard, exactly as described for research purposes. The packaging was professional and included all necessary documentation, which reflects a serious commitment to quality control. Every aspect of the shipment was handled with care, giving me confidence in the supplier’s reliability. The overall experience was highly satisfactory, combining excellent service with a quality product. I would certainly consider ordering from Guru Peptides again in the future for my research needs. Their efficient processes and dedication to customer satisfaction make them a trustworthy supplier in this field.
Just received my order from Guru Peptides, and I must say the experience was quite positive overall. The logistics were handled efficiently; the package arrived within the expected timeframe, which is always a relief when waiting for research materials. The shipping was prompt, and the tracking information provided was accurate and easy to follow, allowing me to monitor the progress without any issues. Regarding quality, the product arrived in secure packaging, ensuring that the contents were protected during transit. The labeling was clear and professional, which is essential for proper identification and use in a laboratory setting. As for service, the customer support team was responsive and helpful when I had a query about my order. They provided timely updates and addressed my concerns courteously, making the entire process smooth and hassle-free. Overall, this transaction met my expectations in terms of delivery speed, product presentation, and support. I appreciate the attention to detail and reliability demonstrated by Guru Peptides, which contributes to a trustworthy supplier relationship. While I cannot comment on the specific application or parameters of the NAD product, I can confidently say that the logistical, qualitative, and service aspects were satisfactory. This positive experience encourages me to consider future purchases from them, as consistent performance in these areas is crucial for ongoing research needs. The seamless integration of these elements—from order placement to receipt—reflects well on their operational standards.
My experience with Guru Peptides was quite positive overall. The logistics were handled efficiently; my order was dispatched promptly and arrived within the estimated timeframe, which is always a crucial factor for my research schedule. The packaging was secure and professional, ensuring the product integrity upon delivery. Regarding quality, the NAD+ appeared to be in excellent condition as described for research purposes. The service aspect was also commendable; the communication was clear and any preliminary inquiries were addressed in a timely manner. This combination of reliable shipping, maintained product standards, and responsive support makes them a supplier worth considering for laboratory needs. I encountered no significant issues throughout the process.
Prompt delivery and excellent packaging from Guru Peptides. The parcel arrived ahead of schedule, which was a pleasant surprise. The product was securely sealed, ensuring its integrity upon arrival. Communication throughout the process was clear and professional. The quality of the NAD appears to be as described for research purposes. Overall, a very satisfactory experience with this supplier.
Zipping through the delivery process, the logistics were handled with remarkable efficiency. The package arrived ahead of the estimated schedule, which was a pleasant surprise. Everything was securely packaged, demonstrating a clear commitment to safe transit. Regarding the product quality, the vials were impeccably sealed and labeled, arriving in pristine condition with no signs of compromise. The service aspect was equally commendable; communication was prompt, professional, and helpful throughout the ordering process. All inquiries were addressed with clarity and courtesy. This overall experience, from order placement to receipt, was seamless and highly satisfactory, reflecting a well-organized operation that prioritizes customer satisfaction.
Just received my order from Guru Peptides, and I must say the entire experience was exceptional. The shipping was incredibly fast, arriving well ahead of the estimated delivery date, which was a pleasant surprise. The packaging was secure and professional, ensuring the product arrived in perfect condition. Regarding the quality, everything appears to be of high standard, exactly as described for research purposes. The customer service team was responsive and helpful, promptly answering my pre-purchase inquiries with clear and detailed information. Overall, I am thoroughly satisfied with this transaction and would confidently recommend Guru Peptides to other researchers. The combination of prompt logistics, apparent product integrity, and excellent support makes them a reliable supplier in this field.
Very satisfied with the overall experience. The shipping was remarkably fast and the package arrived securely packed, which is always a priority for me. The product quality appears excellent upon initial inspection, exactly as described for research purposes. Customer service was responsive and professional when I had a pre-sale inquiry. Everything from ordering to delivery was seamless and efficient. I would certainly consider this supplier for future needs. The communication was clear and all details were handled properly. It’s reassuring to find a reliable source that maintains good standards across logistics, product integrity, and support. The process was straightforward with no complications. A positive transaction from start to finish.
Xcellent experience with Guru Peptides as a supplier. The logistics were handled exceptionally well; my order was processed promptly and arrived ahead of the estimated delivery schedule. The packaging was secure and professional, ensuring the product integrity upon arrival. Regarding quality, the product appeared exactly as described and met the specifications for my research purposes. The service provided was outstanding; the customer support team was responsive and helpful, addressing my pre-order inquiries with clarity and professionalism. Overall, a very reliable and efficient supplier for research chemicals.
Satisfied with the overall experience. The shipping was prompt and the package arrived securely sealed, which is crucial for such sensitive research materials. The product itself appears to be of high purity based on initial visual inspection and documentation provided. Customer service was responsive and professional when I had a pre-order inquiry. Everything was handled efficiently from order placement to delivery.
Delivery was exceptionally prompt and well-handled. Dependable logistics ensured my order arrived ahead of schedule, which was a pleasant surprise. The packaging was secure and professional, with all necessary documentation clearly included. Regarding the product itself, the quality appears to be of a high standard upon initial inspection; the materials are well-presented and match the described specifications for research purposes. Customer service was responsive and helpful throughout the process, answering my pre-purchase queries efficiently. The overall experience was smooth and reliable, making the transaction hassle-free. I am satisfied with this supplier and would consider them for future needs. This positive interaction reflects well on their operational standards.