| Challenge
Criteria* |
LifePak® |
USANA®
Essentials Mega Antioxidant Chelated Mineral |
| Uses
exclusively natural vitamin E (d-alpha-tocopheryl acetate) because
of its documented higher bioavailability over the synthetic form (dl-alpha
tocopheryl acetate). |
Yes |
Yes |
| Provides
at least 50% of the most recently established nutrient intake recommendations
of the National Research Council (NRC) for adult men and women of
all essential vitamins and minerals, except electrolytes, phosphorus,
fluoride and iron. |
Yes |
Below
50% of 1998 NRC AI for calcium, below lower limit of 1989 ESADDI for
molybdenum |
| Uses
optimum amounts of antioxidant nutrients: 100-400 IU vitamin E, 200-500
mg vitamin C, 5,000-10,000 IU beta-carotene, and 70-200 mcg selenium. |
Yes |
450
IU vitamin E
1,299 mg vitamin C
17,010 IU beta-carotene |
| Uses
optimum amounts of B-vitamins involved in homocysteine metabolism:
at least 200 mcg folic acid, 1.5 mg vitamin B6and 2.4 mcg
vitamin B12. |
Yes |
Yes |
Uses
optimum amounts of bone nutrients:
500-1,500 mg calcium
210-700 mg magnesium
200-800 IU vitamin D
at least 40 mcg vitamin K
and at least 1 mg boron. |
Yes |
270
mg calcium |
| Provides
at least 6 mg carotenoids from at least 3 out of the 5 most important
sources: beta-carotene, alpha-carotene, lutein, lycopene and cryptoxanthin.
The amounts must be specified. |
Yes
6 mg beta-carotene
2 mg alpha-carotene
2 mg lutein
1 mg lycopene |
Only
2 sources specified:
10.2 mg beta-carotene
0.2 mg lutein and zeaxanthin |
| Provides
at least 20 mg of dietary flavonoids from at least 3 different, well-characterized
sources, such as catechins, citrus bioflavonoids, quercetin, isoflavones,
and grape seed extract. The amounts must be specified. |
Yes
90 mg green tea catechins
25 mg citrus bioflavonoids
50 mg quercetin
10 mg isoflavones
10 mg grape seed extract |
No
sources specified |
| Uses
well-absorbable, bioavailable sources of trace minerals zinc, iron,
copper, and chromium (if present), such as organic acid salts and
amino acid chelates. |
Yes |
Yes |
| Free
of potentially unsafe amounts of vitamins and minerals according to
the most recently published NOAEL established by the CRN. |
Yes |
Yes |
| Free
of artificial fillers, binders, colors, flavors and preservatives. |
Yes |
Not
specified |
| Meets
USP XXIII disintegration guidelines: 30 minutes for capsules and uncoated
tablets, 45 minutes for coated tablets. |
Yes |
Yes
#4891EXPO700
#4847EXPO600
11/2/98 |