How sensitive to heat? Left on doorstep over 36 hours summertime in Texas in 100F temperature for 6-10 hours. Is this bottle no longer effective?

I'm really not too sure as to the effect the heat would have. I would personally try to get another bottle.

so does this mean any mk7 in other formulas is not trans? has anyone found these claims to be true?

Hello, Unless their supplement fact panel specifies All-Trans or Trans version it is extremely likely they are not using a trans version. Best Regards, -Reese Double Wood Supplements

what kind of MCT is the carrier oil?

The only thing it lists is medium chain triglycerides

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💪 Elevate your wellness game with the ultimate D3 + K2 synergy!

BALANCED CALCIUM SUPPORT - D3 paired with All-Trans K2 prevents calcium imbalances, promoting optimal bone and cardiovascular health.
THIRD PARTY TESTED PURITY - Rigorous quality control guarantees potency and safety you can trust.
CLINICALLY PATENTED K 2 VITAL - Contains 99.9% All-Trans K2 MK-7 with a nearly 3-day half-life for sustained bioactivity.
KID ADULT FRIENDLY FORMULA - Versatile dosing suitable for the whole family, supporting immune and bone health across ages.
PRECISION POWERED ABSORPTION - Liquid drops ensure faster, superior uptake compared to capsules or softgels.

Double Wood’s Vitamin D3 K2 Liquid Drops deliver a potent 5,000 IU of Vitamin D3 combined with 200mcg of patented All-Trans K2 MK-7 (K2Vital) for superior absorption and sustained bioactivity. Designed to optimize calcium utilization and support immune, bone, and cardiovascular health, this liquid formula offers a clean, third-party tested supplement ideal for both kids and adults seeking premium daily wellness.

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