While Life Extension offers a longer one-year guarantee, Double Wood's policy still gives customers an opportunity to evaluate the product before committing to long-term use
Head-to-Head Comparison at a Glance The table tells a split story
Marso SP, Daniels GH, Brown-Frandsen K, Kristensen P, Mann JFE, Nauck MA, Nissen SE, Pocock S, Poulter NR, Ravn LS, et al
Retrieved 2015-11-17
References 1) Laurindo, L.F
Storage temperature consistency Optimal: 2-8C (36-46F) constant Temperature fluctuations shorten shelf life: Frequent door opening warms vials temporarily Power outages or fridge malfunctions Storing in fridge door (warmest, most variable location) Best practice: Store in main fridge section (not door) Middle or back of shelf (most stable temperature) Away from freezer section (avoid freezing) Avoid frequent removal for extended periods Light exposure Peptides degrade faster with light exposure, especially UV light