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Douglas Laboratories Ultra Preventive X
SPECIMEN #DOUGLAS-
Verified
MultivitaminDouglas Laboratories

Ultra Preventive X

What a multivitamin looks like when formulated by scientists instead of accountants. 250mg chelated magnesium (Centrum has 50mg oxide), zinc picolinate, natural mixed tocopherols. 8 tablets daily, but every one counts.

8.5/10
EXCELLENT

Premium multi with excellent form choices: magnesium glycinate-lysinate at 250mg (63% optimal), zinc picolinate at 20mg (133% optimal), natural vitamin E with mixed tocopherols, calcium citrate-malate, selenomethionine at 200mg (200% optimal). Vitamin C at 500mg (100% optimal). D3 at 1000 IU is the only weak spot at 25% optimal. Includes K1+K2. This is what a practitioner-grade multi looks like.

14 ingredientsTablets30 servings
Evidence
7.0
Dosing
5.4
Synergy
6.0
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What We Like

  • 250mg magnesium as glycinate-lysinate chelate (vs Centrum's 50mg oxide).
  • Zinc picolinate (best-absorbed zinc form).
  • Natural d-alpha tocopheryl with mixed tocopherols (full vitamin E spectrum).
  • Selenomethionine (superior selenium form).
  • 500mg vitamin C.

Watch Out For

  • 8 tablets per day is commitment.
  • Premium price ($40-50/month).
  • CoQ10 at 10mg is still low.

What We Analyzed

Ultra Preventive X Supplement Facts

Verified Supplement Facts

Every dose checked against clinical research

We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.

14 ingredients analyzed2 at clinical doses9 underdosed

Source: Official product page

Ingredient Breakdown

2 clinical1 adequate9 underdosed
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
Vitamin A10.0

Beta-Carotene + Retinyl Palmitate

1500 mcgCLINICAL
100%
1500 mcg

of 5000IU

CLINICAL
100%
Vitamin C10.0

Ascorbic Acid

500 mgUNDERDOSED
50%
500 mg

of 1000mg

UNDERDOSED
50%
Vitamin D310.0

Cholecalciferol

25 mcgUNDERDOSED
25%
25 mcg

of 4000IU

UNDERDOSED
25%
Vitamin E8.0

d-Alpha Tocopheryl + Mixed Tocopherols

134 mgUNDERDOSED
50%
134 mg

of 400IU

UNDERDOSED
50%
Vitamin K10.0

K1 + K2

80 mcgUNDERDOSED
40%
80 mcg

of 200mcg

UNDERDOSED
40%
B-Complex

Full Spectrum

100 mg
100 mg
Calcium9.0

Calcium Citrate-Malate

250 mgUNDERDOSED
25%
250 mg

of 1000mg

UNDERDOSED
25%
Magnesium10.0

Magnesium Glycinate-Lysinate

250 mgADEQUATE
63%
250 mg

of 400mg

ADEQUATE
63%
In our database (click to learn more) Not yet reviewed

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