Sambucus - Elderberry this nutritionalsupplement is made in a very powerful ratio of 10:1 concentrate.
Stronger then plain elderberry 
(Sambucus nigra) is higher in vitamin C and anthocyanins, which are known free radical scavengers. Thus supporting the immune system.  Research in Israel documents amazing antiviral properties. 
Being a safe product it is advisable to use anytime there is flu or colds in the house.
Adult maintainable dose: 2 caps daily.
Adult colds and flu dose:  2 caps, 3 times a day. 
Ingredients:  No sugar, yeast, sugar, wheat, soy, gluten, milk, starch, egg, shellfish, or perservatives.
is a very potent rare urban yeah don't rare urban at a 10:1 ratio concentrate making it much stronger than the plain elderberry.
  San Basco's Niagara has been recognized for its high vitamin C content, as well as anthropology enthusiast, which artem it is all injures it is also support it also supports the immune system and the research from Israel shows it has amazing antiviral properties this product is very safe and should be used anytime there is a flu or cold in the house Can be taken as a maintenance dose once A-day throughout the Winter months also this product is Made in the USA and is chested for purity and potency adult maintenance dose 2 capsules daily. Colds and flu 2 capsules 3 times A-day. No starch no starch sugar yeast wheat soy gluten eggluten egg milk self shelfit shellfish or preservatives.