Good elderberry juice is expensive. Grow your own!  A favorable feature of Bob Gordon elderberry plants is they tend to produce clusters that hang down towards the ground. This is favorable because the birds aren't able to readily get at them and eat them as easily. Bob Gordon fruits a tend to be larger and sweeter that most other varieties. Vigorous, productive plants, hardy to our USDA hardiness zone of 4.
 
Elderberry has been recognized as an effective immune system booster and abundant source of antioxidants. See the links below for evidence-based research findings in support of this powerful superfood. These are just two study examples from a wealth of research with findings that support the superior health benefits of elderberry products.
 
https://pubmed.ncbi.nlm.nih.gov/30670267/
 
https://www.sciencedirect.com/science/article/pii/S1756464614002400