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Blood sugar crash: what the phrase covers and what to do first
A blood sugar crash is a casual phrase, not a medical term, for a sudden slump in energy or mood. It may or may not involve a true low, which both Mayo Clinic and MedlinePlus place at 70 mg/dL or under. Only a reading can tell the two apart, so measure first and treat what you find.
Written by the Glyco Reset label deskUpdated · 4 min read
What does a blood sugar crash actually mean?
A blood sugar crash is slang. Ask five people and you get five meanings, from a mid-afternoon yawn to a shaky, sweaty near-faint.
Because the phrase is loose, the first job is to sort your own story into one of the rows below. Each row points to a different next move.
| What you feel | Possible meaning | Next move |
|---|---|---|
| Sleepy after a heavy meal | Ordinary post-meal drowsiness, or something else | Note it; mention it at a checkup |
| Shaky, sweaty, hungry | May be a true low | Take a reading if you own a meter |
| Confused, faint, slurred speech | Possible severe low | Get help now |
How does a crash differ from a low caused by diabetes medicine?
A low on diabetes medicine is a medical event with a known cause; a casual crash is a feeling with an open question mark.
Both sources we use say that insulin and certain other diabetes drugs are the leading reason for readings under 70 mg/dL (Mayo Clinic, Hypoglycemia) (MedlinePlus, Low blood sugar). If you take such a drug, treat every shaky spell as a possible low and follow the plan your care team gave you.
Without a prescription behind it, a slump may have many explanations, and none of our sources tests whether sugary food alone causes one. We will not claim it. A feeling is not a diagnosis either: blood tests decide that (NIDDK, Diabetes Tests & Diagnosis). Fainting or a seizure means 911.
What should you do first when a crash hits?
Do the same four things every time, in order. The routine matters more than the label you put on the spell.
- 01
Check the seal and the label
With a new bottle, inspect the seal first, then go through the label, directions and warnings.
- 02
Shake, then take one dropper full
Our directions read: shake well, take 1 dropper full daily, hold it in the mouth and swallow. If your bottle says otherwise, go with the bottle.
- 03
Keep taking your medicines
Leave prescribed diabetes medicine as it is. Your doctor and pharmacist should hear about each supplement you use.
- 04
Keep your own record
Note the day you began, and keep every clinic check and blood test your doctor orders. A supplement cannot stand in for them.
Could caffeine be part of the shaky feeling?
Yes, it can. MedlinePlus lists shakiness, jitters, dizziness and a fast heartbeat among the effects of too much caffeine, and puts the usual safe ceiling at about 400 mg a day (MedlinePlus, Caffeine).
That matters because tremor from coffee looks exactly like tremor from a low. If you drink coffee, tea or an energy drink, add the cup count to your diary entry.
See our sugar crash guide for the full list of signs.
Does Glyco Reset belong in a crash plan?
No. A crash plan runs on fast sugar, a reading and a call to a clinician. A dropper of Glyco Reset is none of those.
The drops are a dietary supplement with 0.7 mcg of chromium and a 200 mg blend that includes green tea and guarana, both caffeine sources, with no caffeine amount printed. If you already react to coffee, say so to your pharmacist. Price, shipping and the 60-day guarantee are on the order page; read them there before you pay.
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6 bottles180-day supply
6 bottles: 180-day supply
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Order 6 bottlesPrices are confirmed at checkout. Check with your pharmacist first if you take any medicine.
FAQ01
Glyco Reset questions people ask
Is a blood sugar crash a real medical condition?
Not as a named diagnosis. Clinicians talk about low blood sugar, which both Mayo Clinic and MedlinePlus define by a number. A crash is a loose description that may or may not match one.
Can I treat a crash with a supplement?
No source we read supports that. Sources describe quick sugar such as juice or glucose tablets for a confirmed low. Check with a clinician if spells repeat, and keep any prescribed medicine on schedule.
Should I keep a meter at home?
That is a decision for you and your clinician. A reading taken during symptoms is useful evidence, but we found no source telling people without diabetes to buy one, so ask before you do.
Who wrote this02
Written and reviewed by
Pages built from the bottle label and linked NIH, CDC, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a U.S. retail partner for Glyco Reset. It is not the manufacturer, and it is not the brand's sales page. We earn money when you buy through our order links.
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