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How to Read a Supplement Facts Label, One Line at a Time
To read a Supplement Facts label, start with the serving size, then the amount and % Daily Value of each nutrient, then any proprietary blend, and finally the other ingredients. On Glyco Defender, one 1 mL serving has 7 mcg of chromium (20% DV) and a 15.47 mg blend.
Written by the Glyco Defender label deskUpdated · 4 min read
Where do you start when you read a Supplement Facts label?
Start at the top with the serving size and the servings per container. Every other number is per serving.
Glyco Defender lists a serving of 1 mL and 30 servings per container, so one 30 mL bottle lasts 30 days at the one label dose. Calories are 0.
A wrong serving is the most common mistake. If you take two, double every number.
What does % Daily Value mean on a supplement label?
The % Daily Value shows how much of a nutrient one serving gives compared with a reference amount for the day.
The chromium Daily Value is 35 mcg, so 7 mcg is 20 percent (NIH ODS, Chromium). Trials of chromium for blood sugar used hundreds of mcg, which is why a % DV alone says little about benefit.
| Panel item | What it says |
|---|---|
| Serving size | 1 mL, 30 per bottle |
| Chromium | 7 mcg, 20% DV |
| Proprietary blend | 15.47 mg, no split |
| Other ingredients | Water, flavors, xylitol, others |
How do you read a proprietary blend and its footnotes?
Read the blend as one weight shared by every line under it, listed from most to least by weight (21 CFR 101.36 (eCFR)).
Here that is 15.47 mg across 21 lines, so an even split is about 0.74 mg each. The carets mark a 20:1 extract equivalent, and a ratio is not potency (Monagas et al., Front Pharmacol 2022).
Then read the "other ingredients" line. It includes xylitol, which is dangerous to dogs. The supplement facts page prints the whole panel.
Glyco Defender: from $49 a bottle30 mL · 1, 3 or 6 bottles · free US shipping on 6 · 60-day money-back guarantee
See packsWhat is a quick checklist for any supplement label?
Use five checks, in this order, before you buy anything.
Serving
Match the serving to the dose you will take.
Amounts
Compare each amount with a studied dose.
Blends
Divide the total by the line's place for a ceiling.
Other ingredients
Look for allergens, sweeteners and pet hazards.
Cautions
Read the warning text and ask your doctor.
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FAQ01
Questions about reading supplement labels
Why does a supplement label say not a significant source of some nutrients?
That line lists nutrients present in amounts too small to count, such as protein or iron. The Glyco Defender panel prints it for fat, sodium, sugars, calcium and others. It means those items add almost nothing.
Does FDA check what is printed on a Supplement Facts panel?
Not before sale. FDA is not authorized to approve supplements before they are marketed (FDA, Using Dietary Supplements). That is why independent lab reports matter, and none is published for this product.
Where do I find the manufacturer on a supplement label?
Look near the bottom for 'manufactured by'. A line that says 'distributed by' names the seller only. The Glyco Defender label names a distributor in Ogden, Utah, and not the manufacturer.
Who wrote this02
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by a licensed U.S. retail desk for Glyco Defender, not by the manufacturer or the label's distributor. Buying through our order links earns us money.
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