Can Life Extension Super K Help with Flu?

Last update

5/22/2026

Reviewed By

🩺 Kety Ben David, B.Sn.

Overview

SCIENTIFIC SCORE

No researches found

N/A

USERS' SCORE

Good

Based on 2 Reviews

8.3

Supplement Facts

Serving Size: 1 Softgel

Amount Per Serving

%DV

Vitamin C (as Ascorbyl palmitate)

10 mg

11%

Vitamin K activity

2600 mcg

2167%

Vitamin K1 (as phytonadione)

1500 mcg

Vitamin K2 (as menaquinone-4)

1000 mcg

Vitamin K2 (as trans menaquinone-7)

100 mcg

Most Useful Reviews

7.5

Improved immunity

I find vitamin D3, in combination with K2mk7, to be a wonderful ingredient. I've experienced a noticeable enhancement in my immunity; while my friends often catch colds or flu, I manage to stay well. They appreciate this vitamin due to its natural, high-quality composition. I take it during autumn and winter when I seldom venture outside. I've also realised that this vitamin benefits my bones. The small package prompted me to purchase a cost-effective supply for the entire year.

7.5

Consistent health benefits

I find vitamin D3, alongside K2mk7, to be an excellent ingredient. It has significantly improved my immunity; while my friends often suffer from colds or flu, I remain quite well. They favour this vitamin because of its natural and good-quality composition. I take it especially during autumn and winter, as I seldom go outdoors. Additionally, I'm aware that it positively impacts my bones. The compact size encouraged me to buy an economical supply for the year.