![Amazon.com: Life Extension BioActive Folate & Vitamin B12 – For Heart, Brain & GI Tract Health – Promotes Nerve Cell Growth, Cognition & Metabolism - Gluten-Free, Non-GMO– 90 Vegetarian Capsules : Everything Else Amazon.com: Life Extension BioActive Folate & Vitamin B12 – For Heart, Brain & GI Tract Health – Promotes Nerve Cell Growth, Cognition & Metabolism - Gluten-Free, Non-GMO– 90 Vegetarian Capsules : Everything Else](https://m.media-amazon.com/images/I/61CfI-w2S5L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Life Extension BioActive Folate & Vitamin B12 – For Heart, Brain & GI Tract Health – Promotes Nerve Cell Growth, Cognition & Metabolism - Gluten-Free, Non-GMO– 90 Vegetarian Capsules : Everything Else
![Amazon.com: Spring Valley Vitamin B12 Timed Release Tablets, 1000 mcg, 150 Count (Pack of 2, 300 Count Total) (150 Count (Pack of 2)) : Health & Household Amazon.com: Spring Valley Vitamin B12 Timed Release Tablets, 1000 mcg, 150 Count (Pack of 2, 300 Count Total) (150 Count (Pack of 2)) : Health & Household](https://m.media-amazon.com/images/I/71BziV7BN5L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Spring Valley Vitamin B12 Timed Release Tablets, 1000 mcg, 150 Count (Pack of 2, 300 Count Total) (150 Count (Pack of 2)) : Health & Household
![Amazon.com: Micro Ingredients Vitamin B12 5000mcg | Methyl B12 Active Form – 180 Chewable Tablets | Fast Dissolve, Natural Strawberry Flavor, Support Energy, Metabolism Health | Vegan, Non-GMO, & No Gluten : Health & Household Amazon.com: Micro Ingredients Vitamin B12 5000mcg | Methyl B12 Active Form – 180 Chewable Tablets | Fast Dissolve, Natural Strawberry Flavor, Support Energy, Metabolism Health | Vegan, Non-GMO, & No Gluten : Health & Household](https://m.media-amazon.com/images/I/61SO3z97+RL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Micro Ingredients Vitamin B12 5000mcg | Methyl B12 Active Form – 180 Chewable Tablets | Fast Dissolve, Natural Strawberry Flavor, Support Energy, Metabolism Health | Vegan, Non-GMO, & No Gluten : Health & Household
![Amazon.com: Pure Encapsulations Adenosyl/Hydroxy B12 | Blend with Vitamin B12 for Nerve and Mitochondrial Support* | 90 Capsules : Health & Household Amazon.com: Pure Encapsulations Adenosyl/Hydroxy B12 | Blend with Vitamin B12 for Nerve and Mitochondrial Support* | 90 Capsules : Health & Household](https://m.media-amazon.com/images/I/71DBQk8IuoL.jpg)
Amazon.com: Pure Encapsulations Adenosyl/Hydroxy B12 | Blend with Vitamin B12 for Nerve and Mitochondrial Support* | 90 Capsules : Health & Household
![Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household](https://m.media-amazon.com/images/I/71MDxLeQrOL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household
![Amazon.com: NusaPure Vitamin B12-5000 MCG 150 Veggie Capsules (Non-GMO & Gluten Free) - Max Strength Vitamin B 12 : Health & Household Amazon.com: NusaPure Vitamin B12-5000 MCG 150 Veggie Capsules (Non-GMO & Gluten Free) - Max Strength Vitamin B 12 : Health & Household](https://m.media-amazon.com/images/I/61H3IE7C-UL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: NusaPure Vitamin B12-5000 MCG 150 Veggie Capsules (Non-GMO & Gluten Free) - Max Strength Vitamin B 12 : Health & Household
![Amazon.com: ALFA VITAMINS Vitamin B12 1000 Mcg 100 Tablets. Immune System. Nerves and Brain Health. Metabolism : Health & Household Amazon.com: ALFA VITAMINS Vitamin B12 1000 Mcg 100 Tablets. Immune System. Nerves and Brain Health. Metabolism : Health & Household](https://m.media-amazon.com/images/I/61kusW59QJL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ALFA VITAMINS Vitamin B12 1000 Mcg 100 Tablets. Immune System. Nerves and Brain Health. Metabolism : Health & Household
![Amazon.com: NatureGenX - Just One Daily Methyl Multi MTHFR Supplement with Methyl B12 (methylcobalamin) & Methyl Folate Complete Multivitamin Without Iron for Adults & Bariatric Patients - 60 Capsules (2 Months) : Health & Household Amazon.com: NatureGenX - Just One Daily Methyl Multi MTHFR Supplement with Methyl B12 (methylcobalamin) & Methyl Folate Complete Multivitamin Without Iron for Adults & Bariatric Patients - 60 Capsules (2 Months) : Health & Household](https://m.media-amazon.com/images/I/61IlZ6j2pSL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: NatureGenX - Just One Daily Methyl Multi MTHFR Supplement with Methyl B12 (methylcobalamin) & Methyl Folate Complete Multivitamin Without Iron for Adults & Bariatric Patients - 60 Capsules (2 Months) : Health & Household
![Amazon.com: Garden of Life B12 - Vitamin Code Raw B-12 - 30 Capsules, 1,000mcg Whole Food B12 Methylcobalamin for Energy, Vegan Methylcobalamin B12 Vitamin plus Probiotics & Enzymes, Gluten Free Supplements : Amazon.com: Garden of Life B12 - Vitamin Code Raw B-12 - 30 Capsules, 1,000mcg Whole Food B12 Methylcobalamin for Energy, Vegan Methylcobalamin B12 Vitamin plus Probiotics & Enzymes, Gluten Free Supplements :](https://m.media-amazon.com/images/I/81MS+EmjGQS._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Garden of Life B12 - Vitamin Code Raw B-12 - 30 Capsules, 1,000mcg Whole Food B12 Methylcobalamin for Energy, Vegan Methylcobalamin B12 Vitamin plus Probiotics & Enzymes, Gluten Free Supplements :
![Amazon.com: Vitafusion Extra Strength Vitamin B12 Gummy Vitamins For Energy Metabolism Support and Nervous System Health Support, Cherry Flavored, America's Number 1 Gummy Vitamin Brand, 45 Day Supply, 90 Count : Health & Household Amazon.com: Vitafusion Extra Strength Vitamin B12 Gummy Vitamins For Energy Metabolism Support and Nervous System Health Support, Cherry Flavored, America's Number 1 Gummy Vitamin Brand, 45 Day Supply, 90 Count : Health & Household](https://m.media-amazon.com/images/I/81U2zfjsdxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Vitafusion Extra Strength Vitamin B12 Gummy Vitamins For Energy Metabolism Support and Nervous System Health Support, Cherry Flavored, America's Number 1 Gummy Vitamin Brand, 45 Day Supply, 90 Count : Health & Household
![Amazon.com: VITALITOWN Vitamin B12 (Methyl B12) 5000 mcg, Fully Bioactive Form, Support Energy Production, Natural Peach Flavor, Zero Sugar, 90 Fast Dissolve Tablets : Health & Household Amazon.com: VITALITOWN Vitamin B12 (Methyl B12) 5000 mcg, Fully Bioactive Form, Support Energy Production, Natural Peach Flavor, Zero Sugar, 90 Fast Dissolve Tablets : Health & Household](https://m.media-amazon.com/images/I/71x5PknuI6L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: VITALITOWN Vitamin B12 (Methyl B12) 5000 mcg, Fully Bioactive Form, Support Energy Production, Natural Peach Flavor, Zero Sugar, 90 Fast Dissolve Tablets : Health & Household
![Amazon.com: New Chapter Vitamin B12, Fermented Vitamin B12 1,000 mcg, Organic, ONE Daily with Whole-Food Herbs + Adaptogenic Maca for Natural Energy + Healthy Blood Cells, 100% Vegan, Gluten-Free - 60 Count : Amazon.com: New Chapter Vitamin B12, Fermented Vitamin B12 1,000 mcg, Organic, ONE Daily with Whole-Food Herbs + Adaptogenic Maca for Natural Energy + Healthy Blood Cells, 100% Vegan, Gluten-Free - 60 Count :](https://m.media-amazon.com/images/I/61JhFph-drL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: New Chapter Vitamin B12, Fermented Vitamin B12 1,000 mcg, Organic, ONE Daily with Whole-Food Herbs + Adaptogenic Maca for Natural Energy + Healthy Blood Cells, 100% Vegan, Gluten-Free - 60 Count :
![Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply](https://m.media-amazon.com/images/I/71avLhLUNUL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply
![Amazon.com: Nutricost Vitamin B12 (Methylcobalamin) 2000mcg, 240 Capsules - Vegetarian Caps, Non-GMO, Gluten Free B12 Supplement : Health & Household Amazon.com: Nutricost Vitamin B12 (Methylcobalamin) 2000mcg, 240 Capsules - Vegetarian Caps, Non-GMO, Gluten Free B12 Supplement : Health & Household](https://m.media-amazon.com/images/I/61b7FdVI37L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Nutricost Vitamin B12 (Methylcobalamin) 2000mcg, 240 Capsules - Vegetarian Caps, Non-GMO, Gluten Free B12 Supplement : Health & Household
![Amazon.com: Natrol Vitamin B12 Fast Dissolve Tablets, Promotes Energy, Supports a Healthy Nervous System, Maximum Strength, Strawberry Flavor, 5,000mcg, 100 Count : Health & Household Amazon.com: Natrol Vitamin B12 Fast Dissolve Tablets, Promotes Energy, Supports a Healthy Nervous System, Maximum Strength, Strawberry Flavor, 5,000mcg, 100 Count : Health & Household](https://m.media-amazon.com/images/I/71SV-vPwslL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Natrol Vitamin B12 Fast Dissolve Tablets, Promotes Energy, Supports a Healthy Nervous System, Maximum Strength, Strawberry Flavor, 5,000mcg, 100 Count : Health & Household
![Amazon.com: Jarrow Formulas Ultra Strength Methyl B-12 2500 mcg- 100 Chewable Tablets, Tropical Flavored Supplement- Bioactive Vitamin B12- Supports Cellular Energy Production- 100 Servings (PACKAGING MAY VARY) : Health & Household Amazon.com: Jarrow Formulas Ultra Strength Methyl B-12 2500 mcg- 100 Chewable Tablets, Tropical Flavored Supplement- Bioactive Vitamin B12- Supports Cellular Energy Production- 100 Servings (PACKAGING MAY VARY) : Health & Household](https://m.media-amazon.com/images/I/71dqGJ1mDzL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Jarrow Formulas Ultra Strength Methyl B-12 2500 mcg- 100 Chewable Tablets, Tropical Flavored Supplement- Bioactive Vitamin B12- Supports Cellular Energy Production- 100 Servings (PACKAGING MAY VARY) : Health & Household
![Amazon.com: B12 Vitamin Tablets | 1000 mcg | 220 Count | Non-GMO & Gluten Free Supplement | by Nature's Truth Amazon.com: B12 Vitamin Tablets | 1000 mcg | 220 Count | Non-GMO & Gluten Free Supplement | by Nature's Truth](https://m.media-amazon.com/images/I/518IaXqzI7L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: B12 Vitamin Tablets | 1000 mcg | 220 Count | Non-GMO & Gluten Free Supplement | by Nature's Truth
![Amazon.com: Vitamin B12 2500mcg Shot Of Energy Fast Dissolve Chewable Tablets - Quick Release Cherry Flavored Sublingual B12 Vitamin - Supports Nervous System, Healthy Brain Function Energy Production – 180 Count : Health & Household Amazon.com: Vitamin B12 2500mcg Shot Of Energy Fast Dissolve Chewable Tablets - Quick Release Cherry Flavored Sublingual B12 Vitamin - Supports Nervous System, Healthy Brain Function Energy Production – 180 Count : Health & Household](https://m.media-amazon.com/images/I/61gKYcNlLaL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Vitamin B12 2500mcg Shot Of Energy Fast Dissolve Chewable Tablets - Quick Release Cherry Flavored Sublingual B12 Vitamin - Supports Nervous System, Healthy Brain Function Energy Production – 180 Count : Health & Household
![Amazon.com: Superior Source No Shot Vitamin B12 Methylcobalamin (5000 mcg), B6, Folic Acid, Quick Dissolve Sublingual Tablets, 60 Ct, Increase Energy, Healthy Heart, Boost Metabolism, Stress Support, Non-GMO : Health & Household Amazon.com: Superior Source No Shot Vitamin B12 Methylcobalamin (5000 mcg), B6, Folic Acid, Quick Dissolve Sublingual Tablets, 60 Ct, Increase Energy, Healthy Heart, Boost Metabolism, Stress Support, Non-GMO : Health & Household](https://m.media-amazon.com/images/I/61QNZD+TqWL.jpg)
Amazon.com: Superior Source No Shot Vitamin B12 Methylcobalamin (5000 mcg), B6, Folic Acid, Quick Dissolve Sublingual Tablets, 60 Ct, Increase Energy, Healthy Heart, Boost Metabolism, Stress Support, Non-GMO : Health & Household
![Amazon.com: Nature Made Vitamin B12 500 mcg. Tablets Value Size 200 Ct - Pack of 2 : Health & Household Amazon.com: Nature Made Vitamin B12 500 mcg. Tablets Value Size 200 Ct - Pack of 2 : Health & Household](https://m.media-amazon.com/images/I/519rTOjFCdL._AC_.jpg)
Amazon.com: Nature Made Vitamin B12 500 mcg. Tablets Value Size 200 Ct - Pack of 2 : Health & Household
![Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household](https://m.media-amazon.com/images/I/71MDxLeQrOL.jpg)
Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000 mcg - Normal Energy Production and Metabolism, Immune System Support - 2 Month Supply, Berry Flavored Lozenges, 65 Count : Health & Household
![Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000mcg, 65 Berry Flavored Lozenges, 2 Month Supply & Biotin 5000 mcg, Vegan, 130 Capsules (4 Month Supply) : Health & Household Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000mcg, 65 Berry Flavored Lozenges, 2 Month Supply & Biotin 5000 mcg, Vegan, 130 Capsules (4 Month Supply) : Health & Household](https://m.media-amazon.com/images/I/51f4-7vQzLL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Amazon Elements Vitamin B12 Methylcobalamin 5000mcg, 65 Berry Flavored Lozenges, 2 Month Supply & Biotin 5000 mcg, Vegan, 130 Capsules (4 Month Supply) : Health & Household
![Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply Amazon.com: Nature Made Vitamin B12 1000 mcg, Dietary Supplement For Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply](https://m.media-amazon.com/images/I/71avLhLUNUL.jpg)