NF Formulas Spectra 303-T
by Integrative Therapeutics · tablet or pill · 60 tablets
- On the market (NIH)
- UPC 8 71791 00200 5
- DSLD label 24349
- Serving 1 tablet
NF Formulas Spectra 303-T by Integrative Therapeutics lists 6 ingredients, 6 with an amount per serving of 1 tablet, such as 40 mg of calcium, 225 mcg of iodine, 10 mg of zinc and 500 mcg of copper. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2013.
What is in NF Formulas Spectra 303-T?
Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calcium | 40 mg | 4% | 79% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 120 mg. |
| Iodineas Potassium IodideIodine (Form: as Potassium Iodide) | 225 mcg | 150% | Higher than 90% of 6,382 products listing iodine (median 150 mcg). Per day at the most servings: 675 mcg. |
| Zincas Zinc GluconateZinc (Form: as Zinc Gluconate) | 10 mg | 67% | 51% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 30 mg. |
| Copperas Copper GluconateCopper (Form: as Copper Gluconate) | 500 mcg | 25% | 68% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 1.5 mg. |
| L-Tyrosine | 100 mg | 78% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 300 mg. | |
| ThyroidThyroid Note: thyroxine-free | 100 mg | 45% of 60 products listing thyroid give more (median 100 mg). Per day at the most servings: 300 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 24349 (entered July 25, 2013), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 1 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with NF Formulas Spectra 303-T's, rare ingredients counting for more.
- Spectra 303-TIntegrative Therapeutics 5 shared, 91% alike
- BMR ComplexIntegrative Therapeutics 5 shared, 91% alike
- Thyroid CapsSolaray 5 shared, 66% alike
- Thyrosine ComplexIntegrative Therapeutics 5 shared, 49% alike
- Metabolic AdvantageEnzymatic Therapy · off the market 5 shared, 49% alike
- ThyroPlexKaruna 5 shared, 49% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Recommendations: Take 1 tablet one to three times daily.
- Warnings
- If pregnant, nursing, or taking prescription drugs, consult your healthcare practitioner prior to use.
- Allergens and what it does not contain
- Contains no sugar, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial coloring, artificial flavoring, or preservatives.
Source: label statements in DSLD label 24349.
What else is on the label?
Other ingredients: Cellulose, Dicalcium Phosphate, modified Cellulose Gum, Stearic Acid, Magnesium Stearate, Silicon Dioxide, Modified Cellulose, fractionated Coconut Oil, Carnauba Wax.
How many labels does NF Formulas Spectra 303-T have?
One label is on file, entered on July 25, 2013.
- Label 24349 (current) Entered July 25, 2013 · on the market · 60 tablets · UPC 8 71791 00200 5
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Integrative Therapeutics, Inc. (distributor), Green Bay, WI. All Integrative Therapeutics products.