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Chromium and Levothyroxine: Thyroid Medicine Timing

Quick answer

Chromium and levothyroxine can interact: chromium may reduce how much levothyroxine your body absorbs (NIH ODS, Chromium). Sugar Defender lists chromium, as chromium picolinate, at 0.7 mcg a serving. That is a small amount, yet the label still asks anyone on other medication to consult a physician first.

Written by the Sugar Defender label teamUpdated · 4 min read

A molecular structure drawing of chromium picolinate on a plain background
A drawing of the chromium picolinate molecule. Sugar Defender lists chromium in this form, at 0.7 mcg a serving.

Does chromium interact with levothyroxine?

It may. The NIH fact sheet on chromium says the mineral may reduce the absorption of levothyroxine (NIH ODS, Chromium).

Levothyroxine is the thyroid hormone replacement many people take every day. Steady absorption is the whole point, so anything that changes it is worth a question.

The same source says chromium may also add to insulin and other diabetes drugs. That is a separate risk, and it is about low blood sugar.

If you take no thyroid medicine, this interaction does not apply to you. Your own medicines still count, so the general rule holds: read the label and ask.

The source does not give a safe gap in hours. That is why the answer comes from your own pharmacist, not from a blog.

Does the small chromium dose in Sugar Defender matter?

The amount is tiny, but tiny is not zero, and the interaction is not tied to a published threshold.

Each 1 mL serving lists 0.7 mcg of chromium, which is 2% of the Daily Value. The adequate intake for adults is 20 to 35 mcg a day (NIH ODS, Chromium).

Glucose trials used about 200 to 1,000 mcg. So one serving sits far below the doses where researchers saw effects, and the risk from this line alone is likely low.

Still, nobody tested the drops with thyroid medicine. Chromium is not the only line either: the blend carries a dozen plant extracts and amino acids with no printed amounts.

Chromium amounts side by side
MeasureAmount per day
Sugar Defender, one 1 mL serving0.7 mcg
Adequate intake, adults20 to 35 mcg
Daily Value on labels35 mcg
Doses used in glucose trialsAbout 200 to 1,000 mcg

  • Chromium

    0.3% of the low end
    1 mL, the label dose0.7 mcg
    200-1,000 mcg a day in glucose studies200-1,000 mcg

    Printed on the label: 0.7 mcg per mL. (NIH ODS, Chromium)

  • Gymnema

    4.5% of the low end (even split)
    1 mL, the label dose, even split9.1 mg
    1 mL, label-order ceiling (place 8)25 mg
    200-400 mg a day of extract200-400 mg

    Not printed: #8 in a 200 mg blend of 22. (Drugs.com, Gymnema monograph)

  • African mango

    3.0% of the low end (even split)
    1 mL, the label dose, even split9.1 mg
    1 mL, label-order ceiling (place 4)50 mg
    300 mg a day (150 mg twice)300 mg

    Not printed: #4 in a 200 mg blend of 22. (NIH ODS, Dietary Supplements for Weight Loss)

  • Panax ginseng

    9.1% of the low end (even split)
    1 mL, the label dose, even split9.1 mg
    1 mL, label-order ceiling (place 12)17 mg
    From about 100 mg a day (up to 20 g)100 mg

    Not printed: #12 in a 200 mg blend of 22. (Shishtar et al., PLoS One 2014)

  • Coleus (forskolin extract)

    1.8% of the low end (even split)
    1 mL, the label dose, even split9.1 mg
    1 mL, label-order ceiling (place 9)22 mg
    500 mg a day of 10% extract500 mg

    Not printed: #9 in a 200 mg blend of 22. (MSKCC, Forskolin (Coleus forskohlii))

Red bars: what the label dose of 1 mL can hold. The label prints only the chromium amount; for blend ingredients we show an even split (200 mg / 22, about 9 mg per mL) and the most the label order allows. Gold bars: daily amounts of that ingredient alone in studies; the light extension shows a range. Even the ceilings sit under the studied doses.

How far apart should you take chromium and thyroid medicine?

Ask your pharmacist. No public source we read gives a fixed gap, and the answer can depend on your dose and your routine.

The Sugar Defender label says nothing about thyroid medicine or time of day. It only says to take 1 mL a day, or as a healthcare professional directs.

A short visit can settle it. Follow these three steps.

  1. Bring the facts

    Show the Supplement Facts panel with chromium (as chromium picolinate) 0.7 mcg and the 22-line blend.

  2. Say when you take your pills

    Name the time of day and what you eat or drink with the thyroid tablet.

  3. Ask for a written schedule

    Have the pharmacist note which product goes when, so the routine stays the same each day.

Should you tell your doctor about drops before a thyroid blood test?

Yes. Mention every supplement at your next thyroid check, even a low-dose one.

If absorption changes, a lab result can drift, and your doctor may adjust the medicine for the wrong reason. A clear supplement list prevents that guess.

Tell the lab or the clinic if you start something new between visits. A change in routine is as useful to them as a change in dose.

Keep the list current. Add the date you start and the date you stop.

Keep taking prescribed medicine

Do not skip or change your levothyroxine because of a supplement. If you want to try the drops, work out the timing with your pharmacist first.

Where can you learn more about the chromium in the drops?

Start with the chromium picolinate ingredient page. It sets the 0.7 mcg line beside the doses used in studies.

People ask whether a low-dose line can be ignored. The honest answer is that nobody has measured it, which is a reason to ask rather than a reason to worry.

The Sugar Defender supplement facts page prints every label line. The sales page claims chromium "Reduces Obesity & Lowers Blood Pressure", a claim we do not repeat as fact.

FAQ01

Chromium and thyroid medicine: quick questions

Should Sugar Defender and levothyroxine be taken hours apart?

Only after asking a physician or pharmacist. The label asks anyone on other medication to check first, and chromium may reduce levothyroxine absorption. Do not change your thyroid dose on your own.

Does chromium picolinate lower thyroid hormone levels?

The NIH source says chromium may reduce levothyroxine absorption, not that it changes the thyroid itself. If absorption drops, blood levels of the medicine could drop with it. Your doctor can watch for that.

Is the chromium in Sugar Defender the same as in a multivitamin?

Both can use chromium, but amounts differ. Sugar Defender prints 0.7 mcg a serving. Check the multivitamin label for its figure, and tell your pharmacist about both products.

Who wrote this02

Written and reviewed by

Written byThe Sugar Defender label teamSugar-defenders, authorized American Sugar Defender outlet

Pages built from the label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.

Medically reviewed byDr. Aimee Duffy, MD, PhysicianRole: Medical reviewerReview date: October 19, 2026

Last updated . Read our editorial standards and the way we check reviews. This website is run by an authorized American Sugar Defender outlet, not by the manufacturer or the distributor. Purchases made through our order links earn us money.

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