--- {"type":"list","title":"Natural Vitamin B-12 Sources","listId":97245,"canonicalUrl":"https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources","visibleItemTotal":58,"creator":{"id":"hanstaylor","name":"Hans P Taylor","url":"https://listium.com/@hanstaylor"},"stats":{"views":1118,"likes":1,"followers":0},"category":"health & fitness / nutrition","publishedAt":"2024-01-04T20:14:07.616Z","updatedAt":"2024-01-18T22:07:29.796Z","fields":[{"id":0,"name":"Source","type":"PrimaryText"},{"id":8,"name":"Diet","type":"Selection","multi":true},{"id":1,"name":"Form","type":"Text","format":"short"},{"id":2,"name":"B-12 Density","type":"Number","format":"decimal"},{"id":3,"name":"Standard or Relative Deviation","type":"Number","format":"decimal"},{"id":4,"name":"Mass Required","type":"Number","format":"decimal"},{"id":5,"name":"Data Source","type":"Text","format":"short"},{"id":11,"name":"Country","type":"Text","format":"short"},{"id":9,"name":"Link to Buy","type":"URL"},{"id":13,"name":"Amazon Rating","type":"Text","format":"short"}]} --- # Natural Vitamin B-12 Sources By [Hans P Taylor (@hanstaylor)](https://listium.com/@hanstaylor) 1118 views · 1 like · 0 followers Published 4 January 2024 · Updated 18 January 2024 Category: health & fitness / nutrition This is the ultimate evidence-based list of natural vitamin B-12 sources. Sort by diet, form, and more. Contact me for errors, suggestions, or collaboration. ## Items ### 1. [Ivory shell snail (Babylonia japonica, viscera)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/0/ivory-shell-snail-babylonia-japonica-viscera) Item ID: `0` - Diet: Pescatarian - Form: Raw - B-12 Density: 92.80 - Standard or Relative Deviation: - - Mass Required: 2.59 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 2. [Green laver seaweed (Ulva, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/1/green-laver-seaweed-ulva-whole) Item ID: `1` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 84.74 - Standard or Relative Deviation: 3.42 - Mass Required: 2.83 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 3. [Maesaengi seaweed (Capsosiphon fulvescens, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/2/maesaengi-seaweed-capsosiphon-fulvescens-whole) Item ID: `2` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 67.29 - Standard or Relative Deviation: 9.29 - Mass Required: 3.57 - Data Source: BM de Brito et al. (2023) - Country: South Korea - Link to Buy: [https://amzn.to/47iiZvv](https://amzn.to/47iiZvv) - Amazon Rating: 4.5 ### 4. [Purple laver seaweed (Porphyra sp, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/43/purple-laver-seaweed-porphyra-sp-whole) Item ID: `43` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 66.76 - Standard or Relative Deviation: 3.14 - Mass Required: 3.59 - Data Source: BM de Brito et al. (2023) - Country: United States - Link to Buy: [https://amzn.to/48lkqdQ](https://amzn.to/48lkqdQ) - Amazon Rating: 4.6 ### 5. [Skipjack tuna (Katsuwonus pelamis, dark muscle)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/3/skipjack-tuna-katsuwonus-pelamis-dark-muscle) Item ID: `3` - Diet: Pescatarian - Form: Raw - B-12 Density: 63.90 - Standard or Relative Deviation: - - Mass Required: 3.76 - Data Source: Nishioka et al. (2010) - Country: Thailand - Link to Buy: [https://amzn.to/4aLfvog](https://amzn.to/4aLfvog) - Amazon Rating: 4.4 ### 6. [Clams (Bivalve molluscs)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/4/clams-bivalve-molluscs) Item ID: `4` - Diet: Pescatarian - Form: Raw - B-12 Density: 60.00 - Standard or Relative Deviation: - - Mass Required: 4.00 - Data Source: Watanabe and Bito (2018) - Country: United States - Link to Buy: [https://amzn.to/4aL4UJO](https://amzn.to/4aL4UJO) - Amazon Rating: 4.4 ### 7. [Oysters (Bivalve molluscs)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/5/oysters-bivalve-molluscs) Item ID: `5` - Diet: Pescatarian - Form: Raw - B-12 Density: 60.00 - Standard or Relative Deviation: - - Mass Required: 4.00 - Data Source: Watanabe and Bito (2018) - Country: South Korea - Link to Buy: [https://amzn.to/41UQgf1](https://amzn.to/41UQgf1) - Amazon Rating: 4.6 ### 8. [Mussels (Bivalve molluscs)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/6/mussels-bivalve-molluscs) Item ID: `6` - Diet: Pescatarian - Form: Raw - B-12 Density: 60.00 - Standard or Relative Deviation: - - Mass Required: 4.00 - Data Source: Watanabe and Bito (2018) - Country: Chile - Link to Buy: [https://amzn.to/3vy9qLt](https://amzn.to/3vy9qLt) - Amazon Rating: 4.5 ### 9. [Cattle (Bos taurus, liver)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/7/cattle-bos-taurus-liver) Item ID: `7` - Diet: - - Form: Raw - B-12 Density: 52.80 - Standard or Relative Deviation: - - Mass Required: 4.55 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 10. [Purple laver seaweed (Porphyra sp, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/44/purple-laver-seaweed-porphyra-sp-whole) Item ID: `44` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried & toasted - B-12 Density: 51.70 - Standard or Relative Deviation: 15.20 - Mass Required: 4.64 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 11. [Chicken (Gallus domesticus, liver)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/8/chicken-gallus-domesticus-liver) Item ID: `8` - Diet: - - Form: Raw - B-12 Density: 44.40 - Standard or Relative Deviation: - - Mass Required: 5.41 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: [https://amzn.to/3Hta0ND](https://amzn.to/3Hta0ND) - Amazon Rating: 4.6 ### 12. [Round herring (Etrumeus micropus, viscera)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/9/round-herring-etrumeus-micropus-viscera) Item ID: `9` - Diet: Pescatarian - Form: Raw - B-12 Density: 37.50 - Standard or Relative Deviation: - - Mass Required: 6.40 - Data Source: Nishioka et al. (2011) - Country: - - Link to Buy: - - Amazon Rating: - ### 13. [Sea buckthorn (Hippophae rhamnoides, berry)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/10/sea-buckthorn-hippophae-rhamnoides-berry) Item ID: `10` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 37.01 - Standard or Relative Deviation: 1.20 - Mass Required: 6.48 - Data Source: M. Nakos et al. (2017) - Country: Russia - Link to Buy: [https://amzn.to/3vJ2hs4](https://amzn.to/3vJ2hs4) - Amazon Rating: 3.9 ### 14. [Salmon (Salmonidae, egg-laden ovary)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/11/salmon-salmonidae-egg-laden-ovary) Item ID: `11` - Diet: Pescatarian - Form: Raw - B-12 Density: 34.70 - Standard or Relative Deviation: 4.70 - Mass Required: 6.92 - Data Source: Yamanaka et al. (2022) - Country: - - Link to Buy: - - Amazon Rating: - ### 15. [Ivory shell snail (Babylonia japonica, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/12/ivory-shell-snail-babylonia-japonica-meat) Item ID: `12` - Diet: Pescatarian - Form: Raw - B-12 Density: 27.20 - Standard or Relative Deviation: - - Mass Required: 8.82 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 16. [Pig (Sus domesticus, liver)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/13/pig-sus-domesticus-liver) Item ID: `13` - Diet: - - Form: Raw - B-12 Density: 25.20 - Standard or Relative Deviation: - - Mass Required: 9.52 - Data Source: Watanabe and Bito (2018) - Country: United States - Link to Buy: [https://amzn.to/41PF2Zp](https://amzn.to/41PF2Zp) - Amazon Rating: 4.4 ### 17. [Round herring (Etrumeus micropus, viscera)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/14/round-herring-etrumeus-micropus-viscera) Item ID: `14` - Diet: Pescatarian - Form: Conv. Cooked - B-12 Density: 23.25 - Standard or Relative Deviation: - - Mass Required: 10.32 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 18. [Couch grass (Elymus repens, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/45/couch-grass-elymus-repens-whole) Item ID: `45` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 23.10 - Standard or Relative Deviation: - - Mass Required: 10.39 - Data Source: M. Nakos et al. (2017) - Country: Croatia - Link to Buy: [https://amzn.to/3vfxPW3](https://amzn.to/3vfxPW3) - Amazon Rating: 4.4 ### 19. [Mullet (Mugilidae, roe)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/15/mullet-mugilidae-roe) Item ID: `15` - Diet: Pescatarian - Form: Dried - B-12 Density: 21.60 - Standard or Relative Deviation: 4.30 - Mass Required: 11.11 - Data Source: Yamanaka et al. (2022) - Country: - - Link to Buy: - - Amazon Rating: - ### 20. [Turban shell snail (Turdo Batillus cornutus, viscera)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/16/turban-shell-snail-turdo-batillus-cornutus-viscera) Item ID: `16` - Diet: Pescatarian - Form: Raw - B-12 Density: 15.10 - Standard or Relative Deviation: - - Mass Required: 15.89 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 21. [White sturgeon (Acipenser transmontanus, roe)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/17/white-sturgeon-acipenser-transmontanus-roe) Item ID: `17` - Diet: Pescatarian - Form: Raw - B-12 Density: 14.70 - Standard or Relative Deviation: 6.60 - Mass Required: 16.33 - Data Source: Yamanaka et al. (2022) - Country: Russia - Link to Buy: [https://amzn.to/3vkfwiK](https://amzn.to/3vkfwiK) - Amazon Rating: 4.2 ### 22. [Salmon (Salmonidae, roe)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/18/salmon-salmonidae-roe) Item ID: `18` - Diet: Pescatarian - Form: Raw - B-12 Density: 14.20 - Standard or Relative Deviation: 6.40 - Mass Required: 16.90 - Data Source: Yamanaka et al. (2022) - Country: United States - Link to Buy: [https://amzn.to/3SglkTv](https://amzn.to/3SglkTv) - Amazon Rating: 4.3 ### 23. [Round herring (Etrumeus micropus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/19/round-herring-etrumeus-micropus-meat) Item ID: `19` - Diet: Pescatarian - Form: Raw - B-12 Density: 12.20 - Standard or Relative Deviation: - - Mass Required: 19.67 - Data Source: Nishioka et al. (2011) - Country: - - Link to Buy: - - Amazon Rating: - ### 24. [Elecampane sunflower (Inula helenium, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/57/elecampane-sunflower-inula-helenium-whole) Item ID: `57` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 10.62 - Standard or Relative Deviation: - - Mass Required: 22.60 - Data Source: M. Nakos et al. (2017) - Country: Croatia - Link to Buy: [https://amzn.to/41OGQ4w](https://amzn.to/41OGQ4w) - Amazon Rating: 4.7 ### 25. [Green laver seaweed (Ulva, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/20/green-laver-seaweed-ulva-whole) Item ID: `20` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 9.41 - Standard or Relative Deviation: - - Mass Required: 25.50 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 26. [Round herring (Etrumeus micropus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/21/round-herring-etrumeus-micropus-meat) Item ID: `21` - Diet: Pescatarian - Form: Conv. Cooked - B-12 Density: 7.56 - Standard or Relative Deviation: - - Mass Required: 31.73 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 27. [Sea buckthorn (Hippophae rhamnoides, berry) ](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/22/sea-buckthorn-hippophae-rhamnoides-berry-) Item ID: `22` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 7.40 - Standard or Relative Deviation: 1.20 - Mass Required: 32.42 - Data Source: M. Nakos et al. (2017) - Country: Russia - Link to Buy: [https://amzn.to/3vJ2hs4](https://amzn.to/3vJ2hs4) - Amazon Rating: 3.9 ### 28. [Maesaengi seaweed (Capsosiphon fulvescens, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/23/maesaengi-seaweed-capsosiphon-fulvescens-whole) Item ID: `23` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 7.20 - Standard or Relative Deviation: - - Mass Required: 33.33 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 29. [Deer (Cervus elaphus hispanicus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/24/deer-cervus-elaphus-hispanicus-meat) Item ID: `24` - Diet: - - Form: Raw - B-12 Density: 5.87 - Standard or Relative Deviation: 0.22 - Mass Required: 40.89 - Data Source: Soriano et al. (2020) - Country: - - Link to Buy: - - Amazon Rating: - ### 30. [Shiitake (Lentinula edodes, donko-type fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/56/shiitake-lentinula-edodes-donko-type-fruiting-body) Item ID: `56` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 5.61 - Standard or Relative Deviation: 3.90 - Mass Required: 42.78 - Data Source: Bito et al. (2014) - Country: Japan - Link to Buy: [https://amzn.to/3H91zXA](https://amzn.to/3H91zXA) - Amazon Rating: 4.5 ### 31. [Pollack (Pollachius, roe)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/25/pollack-pollachius-roe) Item ID: `25` - Diet: Pescatarian - Form: Raw - B-12 Density: 4.70 - Standard or Relative Deviation: 0.30 - Mass Required: 51.06 - Data Source: Yamanaka et al. (2022) - Country: - - Link to Buy: - - Amazon Rating: - ### 32. [Shiitake (Lentinula edodes, koushin-type fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/55/shiitake-lentinula-edodes-koushin-type-fruiting-body) Item ID: `55` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 4.23 - Standard or Relative Deviation: 2.42 - Mass Required: 56.74 - Data Source: Bito et al. (2014) - Country: Japan - Link to Buy: [https://amzn.to/47moMQz](https://amzn.to/47moMQz) - Amazon Rating: 4.2 ### 33. [Flying fish (Exocoetidae, roe)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/26/flying-fish-exocoetidae-roe) Item ID: `26` - Diet: Pescatarian - Form: Raw - B-12 Density: 3.90 - Standard or Relative Deviation: 0.20 - Mass Required: 61.54 - Data Source: Yamanaka et al. (2022) - Country: - - Link to Buy: - - Amazon Rating: - ### 34. [Mankai plant (Wolffia globosa, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/54/mankai-plant-wolffia-globosa-whole) Item ID: `54` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 3.23 - Standard or Relative Deviation: 0.50 - Mass Required: 74.30 - Data Source: Sela et al. (2020) - Country: - - Link to Buy: - - Amazon Rating: - ### 35. [Turban shell snail (Turdo Batillus cornutus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/27/turban-shell-snail-turdo-batillus-cornutus-meat) Item ID: `27` - Diet: Pescatarian - Form: Raw - B-12 Density: 3.00 - Standard or Relative Deviation: - - Mass Required: 80.00 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 36. [Black trumpet (Morchella cornucopiodes, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/53/black-trumpet-morchella-cornucopiodes-fruiting-body) Item ID: `53` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 2.65 - Standard or Relative Deviation: 1.46 - Mass Required: 90.57 - Data Source: Watanabe et al. (2012) - Country: - - Link to Buy: - - Amazon Rating: - ### 37. [Skipjack tuna (Katsuwonus pelamis, light muscle)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/28/skipjack-tuna-katsuwonus-pelamis-light-muscle) Item ID: `28` - Diet: Pescatarian - Form: Raw - B-12 Density: 2.20 - Standard or Relative Deviation: - - Mass Required: 109.09 - Data Source: Nishioka et al. (2010) - Country: Thailand - Link to Buy: [https://amzn.to/3H8OjSO](https://amzn.to/3H8OjSO) - Amazon Rating: 4.5 ### 38. [Cattle (Bos taurus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/29/cattle-bos-taurus-meat) Item ID: `29` - Diet: - - Form: Raw - B-12 Density: 2.00 - Standard or Relative Deviation: - - Mass Required: 120.00 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 39. [Wakame seaweed (Undaria pinnatifida, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/50/wakame-seaweed-undaria-pinnatifida-whole) Item ID: `50` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 1.90 - Standard or Relative Deviation: 0.16 - Mass Required: 126.32 - Data Source: BM de Brito et al. (2023) - Country: United States - Link to Buy: [https://amzn.to/48DHPH6](https://amzn.to/48DHPH6) - Amazon Rating: 4.3 ### 40. [Golden chanterelle (Cantharellus cibarius, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/51/golden-chanterelle-cantharellus-cibarius-fruiting-body) Item ID: `51` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 1.82 - Standard or Relative Deviation: 0.57 - Mass Required: 131.87 - Data Source: Watanabe et al. (2012) - Country: - - Link to Buy: - - Amazon Rating: - ### 41. [Wakame seaweed (Undaria pinnatifida, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/52/wakame-seaweed-undaria-pinnatifida-whole) Item ID: `52` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 1.20 - Standard or Relative Deviation: 0.10 - Mass Required: 200.00 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 42. [Shiitake (Lentinula edodes, donko-type fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/30/shiitake-lentinula-edodes-donko-type-fruiting-body) Item ID: `30` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 1.12 - Standard or Relative Deviation: 0.78 - Mass Required: 213.90 - Data Source: Bito et al. (2014) - Country: - - Link to Buy: - - Amazon Rating: - ### 43. [Chicken (Gallus domesticus, egg)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/31/chicken-gallus-domesticus-egg) Item ID: `31` - Diet: Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.90 - Standard or Relative Deviation: - - Mass Required: 266.67 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 44. [Chicken (Gallus domesticus, egg)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/32/chicken-gallus-domesticus-egg) Item ID: `32` - Diet: Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Boiled - B-12 Density: 0.90 - Standard or Relative Deviation: - - Mass Required: 266.67 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 45. [Shiitake (Lentinula edodes, koushin-type fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/33/shiitake-lentinula-edodes-koushin-type-fruiting-body) Item ID: `33` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.79 - Standard or Relative Deviation: 0.67 - Mass Required: 303.80 - Data Source: Bito et al. (2014) - Country: - - Link to Buy: - - Amazon Rating: - ### 46. [Sheep (Ovis aries, milk)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/34/sheep-ovis-aries-milk) Item ID: `34` - Diet: Vegetarian (Lacto), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.71 - Standard or Relative Deviation: - - Mass Required: 338.03 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 47. [Black trumpet (Morchella cornucopiodes, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/35/black-trumpet-morchella-cornucopiodes-fruiting-body) Item ID: `35` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.53 - Standard or Relative Deviation: 0.29 - Mass Required: 452.83 - Data Source: Watanabe et al. (2012) - Country: - - Link to Buy: - - Amazon Rating: - ### 48. [Pig (Sus domesticus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/36/pig-sus-domesticus-meat) Item ID: `36` - Diet: - - Form: Raw - B-12 Density: 0.50 - Standard or Relative Deviation: - - Mass Required: 480.00 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 49. [Chicken (Gallus domesticus, meat)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/37/chicken-gallus-domesticus-meat) Item ID: `37` - Diet: - - Form: Raw - B-12 Density: 0.50 - Standard or Relative Deviation: - - Mass Required: 480.00 - Data Source: Watanabe and Bito (2018) - Country: United States - Link to Buy: [https://amzn.to/47rIZ7N](https://amzn.to/47rIZ7N) - Amazon Rating: 4.7 ### 50. [Lion’s mane (Hericium erinaceus, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/49/lions-mane-hericium-erinaceus-fruiting-body) Item ID: `49` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 0.37 - Standard or Relative Deviation: 0.34 - Mass Required: 648.65 - Data Source: Teng et al. (2014) - Country: - - Link to Buy: - - Amazon Rating: - ### 51. [Golden chanterelle (Cantharellus cibarius, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/38/golden-chanterelle-cantharellus-cibarius-fruiting-body) Item ID: `38` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.36 - Standard or Relative Deviation: 0.11 - Mass Required: 659.34 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 52. [Kombu seaweed (Laminaria angustata, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/42/kombu-seaweed-laminaria-angustata-whole) Item ID: `42` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 0.36 - Standard or Relative Deviation: 0.03 - Mass Required: 666.67 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 53. [Cattle (Bos taurus, milk)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/39/cattle-bos-taurus-milk) Item ID: `39` - Diet: Vegetarian (Lacto), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.35 - Standard or Relative Deviation: - - Mass Required: 685.71 - Data Source: Watanabe and Bito (2018) - Country: United States - Link to Buy: [https://amzn.to/48lNwJU](https://amzn.to/48lNwJU) - Amazon Rating: 4.8 ### 54. [Parasol (Macrolepiota procera, fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/47/parasol-macrolepiota-procera-fruiting-body) Item ID: `47` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 0.09 - Standard or Relative Deviation: 0.04 - Mass Required: 2,666.67 - Data Source: Watanabe et al. (2012) - Country: - - Link to Buy: - - Amazon Rating: - ### 55. [Porcini (Boletus spp., fruiting body)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/48/porcini-boletus-spp-fruiting-body) Item ID: `48` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 0.07 - Standard or Relative Deviation: 0.03 - Mass Required: 3,428.57 - Data Source: Watanabe et al. (2012) - Country: - - Link to Buy: - - Amazon Rating: - ### 56. [Goat (Capra hircus, milk)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/40/goat-capra-hircus-milk) Item ID: `40` - Diet: Vegetarian (Lacto), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.06 - Standard or Relative Deviation: - - Mass Required: 4,000.00 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: - ### 57. [Hijiki seaweed (Hizikia fusiforme, whole)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/46/hijiki-seaweed-hizikia-fusiforme-whole) Item ID: `46` - Diet: Vegan, Vegetarian (Lacto), Vegetarian (Ovo), Vegetarian (Ovo-lacto), Pescatarian - Form: Dried - B-12 Density: 0.04 - Standard or Relative Deviation: 0.03 - Mass Required: 6,000.00 - Data Source: BM de Brito et al. (2023) - Country: - - Link to Buy: - - Amazon Rating: - ### 58. [Human (Homo sapien, milk)](https://listium.com/@hanstaylor/97245/natural-vitamin-b-12-sources/41/human-homo-sapien-milk) Item ID: `41` - Diet: Vegetarian (Lacto), Vegetarian (Ovo-lacto), Pescatarian - Form: Raw - B-12 Density: 0.04 - Standard or Relative Deviation: - - Mass Required: 6,000.00 - Data Source: Watanabe and Bito (2018) - Country: - - Link to Buy: - - Amazon Rating: -