tnvitamins Folate 1000 mcg
Brand: tnvitamins · Form: TABLET [E0155] On Market
Our assessment
Our assessment: For most healthy adults, the evidence shows that a 1000 mcg folate supplement is generally safe and effective when used appropriately. The data confirms that folate, a B vitamin, is essential for DNA synthesis and cell division [NIH ODS]. However, you should be aware that this is a high dose—the Recommended Dietary Allowance (RDA) for adults is 400 mcg DFE [NIH ODS]. Taking 1000 mcg (which is 1000 mcg folic acid, equivalent to 1667 mcg DFE) is well above this level, so you should only use it under the guidance of a healthcare provider [NIH ODS].
How it works
Think of folate as a key building block for your body—it helps produce and maintain new cells, which is especially important during periods of rapid growth like pregnancy [NIH ODS]. This supplement provides folate in the form of folic acid, which your body converts into its active form, 5-MTHF [NIH ODS]. It works by helping your body make red blood cells and supporting the conversion of homocysteine into methionine [NIH ODS].
Safety profile
Data not available. FDA adverse event reporting data for this specific product was not provided. However, the National Institutes of Health Office of Dietary Supplements notes that high intakes of folic acid (above 1000 mcg daily) can mask a vitamin B12 deficiency, which is a serious concern [NIH ODS]. The tolerable upper intake level for folic acid from supplements is 1000 mcg per day [NIH ODS]. No specific side effect report counts from the FDA data were included for this product.
Our recommendation
Our recommendation: Do not take this supplement unless specifically advised by your doctor, particularly if you have a history of B12 deficiency or pernicious anemia [NIH ODS]. If you are pregnant or planning to become pregnant, the standard recommendation is 400-800 mcg of folic acid daily, and this 1000 mcg dose may be appropriate only under medical supervision [NIH ODS]. Always check with a healthcare professional before starting any high-dose supplement.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | tnvitamins |
|---|---|
| Serving Size | |
| Contents | 100.0 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