The short answer · Bleeding tendency
Take vitamin k1 (phylloquinone) for bleeding tendency. This is the one to buy.
1
Life Extension, Super K, 90 Softgels
4.8· 5,620 ratings· $0.23/serving
DoseRank score86
Vitamin K1 (Phylloquinone) 2000 mcg — inside the studied 1000-10000 µg window
Of 3,878 products scored for Bleeding tendency, Life Extension, Super K, 90 Softgels ranks #1 with a DoseRank score of 86. Vitamin K1 (Phylloquinone) is the strongest evidence signal for this outcome.
The form“Why Vitamin K1 (Phylloquinone) — not Vitamin K or d-Alpha Tocopherol?”Evidence Strong evidence
Vitamin K1 (Phylloquinone) is the strongest evidence signal for this outcome.
- Vitamin K1 (Phylloquinone)The pick
Strong evidence · 2000 mcg
The main dietary form of vitamin K, abundant in leafy greens; central to liver-based clotting-factor synthesis, with weaker bone and cardiovascular evidence than K2 forms.
- Vitamin K
Strong evidence · 2100 mcg
Fat-soluble vitamin found as K1 (plant phylloquinone) and K2 (menaquinones); essential for blood-clotting factors and directing calcium to bone.
- d-Alpha Tocopherol
Moderate evidence · 30.2 mg
Natural-source vitamin E, the single RRR-alpha-tocopherol isomer; roughly twice the biological activity of synthetic dl-alpha-tocopherol per labeled milligram.
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Life Extension, Super K, 90 Softgels ranks #1 for Bleeding tendency with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 3,878 products scored for this outcome.
Vitamin K1 (Phylloquinone) is the strongest evidence signal for this outcome.
Vitamin K1 (Phylloquinone) at 2000 mcg lands inside the studied 1000-10000 µg window. DoseRank scores this product's dose fit at 69 out of 100.
Life Extension, Super K, 90 Softgels works out at $0.23 per serving. $0.23 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.08 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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