Resveratrol Trials are available for a limited time only.
Raisins are healthy, can be included in a diabetic diet and contain essential vitamins. A popular belief is that raisins are a great source of Resveratrol. However, this is not true. Raisins are a great source of anti-oxidants, which can be found in Resveratrol, but there is no resveratrol in rosins at all.
Popularity: 62%
Well, why Japanese Knotweed and not from one of those berries?
Japanese Knotweed is growing everywhere (like crazy) and can be found in 39 of 50 US states. Considering that it can adopt to any situation easily and grow at extreme rates it is a very cheap resveratrol source.
If pharma industries would extract it from berries or grapes the costs would multiply because those don’t grow at rates like japanese knotweed does. So it’s only rational thinking if they extract resveratrol from japanese knotweed instead of anything else.
With that being said, let’s take another look at the best resveratrol source:

Japanese Knotweed, Resveratrol Source For Pharma Industries
Popularity: 23%
This is a compilation of the 20 best natural resveratrol sources:

Lily, a resveratrol source!
- 1. partridgeberries
- 2. spruce
- 3. pine
- 4. muscadine
- 5. cranberries
- 6. peanuts
- 7. lingonberries
- 8. sparkleberries
- 9. pinot noir
- 10. concord grapes
- 11. bilberries
- 12. eucalyptus
- 13. blueberries
- 14. japanese knotweed
- 15. red grapes
- 16. lily
- 17. deerberries
- 18. red wine
- 19. chocolate
- 20. mulberries
Popularity: 8%
What are the best natural resveratrol sources?
Oranges are well known for Vitamin C.
Resveratrol rating: good
Mulberries contain iron, vitamin C, vitamin B, magnesium and potassium, as well as phosphorus, calcium and fiber.
Resveratrol rating: good
Grape skins contain a higher level of resveratrol than others. Resveratrol in grape juice is 1.14-8.69 mg/l.
Resveratrol rating: very good
Resveratrol content in wines and grape juice
| Beverage |
Total resveratrol (mg/L) |
Total resveratrol in 150 mL wine (mg) |
| Red Wines (Global) |
1.98 – 7.13 |
0.30 – 1.07 |
| Red Wines (Spanish) |
1.92 – 12.59 |
0.29 – 1.89 |
| Red grape juice (Spanish) |
1.14 – 8.69 |
0.17 – 1.30 |
| Rose Wines (Spanish) |
0.43 – 3.52 |
0.06 – 0.53 |
| Pinot Noir |
0.40 – 2.0 |
0.06 – 0.30 |
| White Wines (Spanish) |
0.05 – 1.80 |
0.01 – 0.27 |
Resveratrol content in selected foods
| Food |
Serving |
Total resveratrol (mg) |
| Peanuts (raw) |
1 c (146 g) |
0.01 – 0.26 |
| Peanuts (boiled) |
1 c (180 g) |
0.32 – 1.28 |
| Peanut butter |
1 c (258 g) |
0.04 – 0.13 |
| Red grapes |
1 c (160 g) |
0.24 – 1.25 |
Source: Wikipedia
Popularity: 18%