- Supplement form: Capsule or Liquid
- Dosage / Cost / Quality
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| Name | B12 METHYLCOBALAMIN 5000 MCG 60 SUBLINGUAL TABLETS | MAXMETHYL 90 VEGI-CAPSULES | VITAMIN B12 1000 MCG METHYLCOBALAMIN 180 TABLETS | B12 LIQUID 30 ML | NUTRI B12 5000 MCG 250 ML | VITAMIN B12 2500 MCG TIMED RELEASE 60 TABLETS |
| Brand | Natural Factors | AOR | SiSU | Pure encapsulations | Naka Original | Jamieson |
| Price | $13.99 ($0.34/tab) | $32.65 ($0.36/cap) | $23.45 ($0.13/tab) | $28.25 ($0.94/ml) | $23.19 ($0.09/ml) | $14.99 ($0.25/tab) |
| Recommended use | Helps form red blood cells, prevents vitamin B12 deficiency, and maintains good health. | Decreases dangerous levels of homocysteine. Lowers the risk of cardiovascular disease. Protects against damaged blood vessels. Slows the aging process. | To help the body metabolize carbohydrates, fats, and proteins as well as to help form red blood cells. | Helps the body metabolize carbohydrates, fats and protein. Helps to form red blood cells. | Necessary for energy production. Essential for the manufacture of red blood cells. Supports the normal function of nerve cells. Required for the replication of DNA. | Helps the body to metabolize carbs, fats and protein. Helps to form red blood cells. |
| Ingredients | Vitamin B12 (methylcobalamin) 5,000 mcg | Vitamin B6 (pyridoxal-5-phosphate) 17 mg Folic acid (calcium L-5-MTHF) 267 mcg Vitamin B12 (methylcobalamin) 216 mcg Trimethylglycine (betaine anhydrous) 500 mg | Vitamin B12 (methylcobalamin) 1,000 mcg | Vitamin B12 (Methylcobalamin) 1,000 mcg | Vitamin B12 (Methylcobalamin) 5,000 mcg | Vitamin B12 (Methylcobalamin) 2,500 mcg |
| Non-medicinal ingredients | Lactose monohydrate, microcrystalline cellulose, croscarmellose sodium, vegetable grade magnesium stearate (lubricant). | Non-medicinal Ingredients: none. Capsule: hypromellose. | Isomalt, microcrystalline cellulose, magnesium stearate (vegetable), calcium silicate, croscarmellose sodium. | Purified water, Natural glycerin, Citric acid, Potassium Sorbate, Stevia leaf powder. | Malic Acid, Stevia Rebaudiana Leaf, Vegetable Glycerine, Natural Mixed Berry Flavour, Xylitol, Potassium Sorbate, Purified Water. | Cellulose, dicalcium phosphate, water-soluble cellulose, vegetable magnesium stearate, hydroxypropyl cellulose, silica. |
| Dosage | Adults: Dissolve 1 tablet daily under the tongue. | Adults: Take 1 capsule 3 times daily with or without food. | Adults: Take 1 tablet 1 time per day. | Adults: Take 1 ml 1-3 times daily, with meals. | Adults: Take 1 teaspoon (5 ML) per day. Hold in mouth for 15-30 seconds before swallowing. | Adults: Take 1 tablet daily. |
| Number of Servings | 60 days | 30 days | 180 days | 30 days | 50 days | 60 days |
| Highlights | Quick Dissolving Sublingual Tablets. | Contains all the cofactors and methyl donors needed to promote methylation: vitamin B6, vitamin B12, folate and trimethylglycine (TMG). | Fast-dissolving sublingual tablets accelerate absorption. | Convenient, great-tasting liquid formula for easy dispensing. Made with high-quality vegetarian ingredients backed by verifiable science. | Fast-acting sublingual methylcobalamin liquid for better absorption. | High potency, timed-release technology for sustained energy throughout the day. |
| non-GMO | ✔ | ✔ | ✔ | ✔ | ✔ | |
| Vegan | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Gluten free | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Lactose free | ✔ | ✔ | ✔ | ✔ | ✔ | |
| Allegen free (no dairy/soy/wheat/nuts) | ✔ | ✔ | ✔ | ✔ | ✔ | |
| no artificial/preservatives | ✔ | ✔ | ✔ | ✔ | ||
| Warnings | Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Consult a health care practitioner for use beyond 4 months. Keep out of the reach of children. | Consult a health care practitioner prior to use if you are pregnant, breastfeeding, or if you have liver or cardiovascular disease. | n/a | If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use. | Consult a health care professional prior to use if you are taking blood pressure medication or blood thinners. Do not use if you are pregnant or nursing. | Consult a health care practitioner prior to use if you are pregnant or breastfeeding. |















