Member's Mark Sublingual Vitamin B12 Methylcobalamin Tablets, 5000 mcg Cherry Flavor
Brand: Member's Mark · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that Member's Mark Sublingual Vitamin B12 Methylcobalamin Tablets provide a high 5000 mcg dose of vitamin B12, which is well above the standard daily requirement. For most people, this high dose is not necessary unless you have a diagnosed deficiency or a condition that impairs B12 absorption. Our assessment: this product is best reserved for specific medical needs, not for general wellness.
How it works
Vitamin B12, in the form of methylcobalamin, is a key player in your body's energy production and nervous system function. It helps convert food into cellular energy and supports the formation of red blood cells. The sublingual (under the tongue) delivery is designed to bypass the digestive system, which can be helpful for people with absorption issues. Data on calcium, not B12, shows it supports bone mineralization and neuromuscular relaxation [NIH ODS].
Safety profile
FDA received 592,059 adverse event reports across all supplements. For this specific B12 product, detailed side effect data are not available. However, high calcium intakes can cause poor muscle tone, constipation, nausea, and abnormal heart rhythms [NIH ODS] [FDA data]. Please note that side effect information for this exact B12 product is not provided in the data.
Our recommendation
Start with a standard 2.4 mcg daily dose of B12 from food or a lower-dose supplement unless a healthcare provider has confirmed you need 5000 mcg. If you take this product, monitor for any unusual symptoms. Always check with your doctor before starting high-dose supplements, especially if you take medications like bisphosphonates or levothyroxine, as calcium supplements may reduce their absorption [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Member's Mark |
|---|---|
| Serving Size | |
| Contents | 300.0 Quick Dissolve Tablet(s) |
| Market Status | On Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide