Side effects
Thermogenic Fat Burner Side Effects: Jitters, Heart Rate, Sleep and Stomach
Thermogenic fat burner side effects mostly trace to caffeine and similar extracts: jitters, a faster heartbeat, poor sleep and stomach upset. Garcinia stomach events were twice as common in one study, and liver injury has been reported with green tea extract and garcinia. These are source reports, not a forecast. No safety trial tested SodaSlim.
Written by the SodaSlim label deskUpdated · 5 min read
The list
What are the side effects of thermogenic fat burners?
The common side effects are jitters, a faster heartbeat, trouble sleeping and an upset stomach, and most trace back to caffeine.
FDA lists typical caffeine amounts by drink and warns that supplements add to the daily total (FDA, Spilling the Beans caffeine). The table pairs each effect with its usual source, and it is a list of what is reported, not a promise that you will feel any of it.
| Effect | Usual source | Evidence |
|---|---|---|
| Jitters, anxiety | Caffeine | Rises with total daily caffeine |
| Fast or pounding heartbeat | Caffeine | Stop if it will not settle |
| Poor sleep | Caffeine | EFSA: about 100 mg can affect sleep in some people (EFSA, caffeine safe intakes) |
| Stomach upset | Caffeine, garcinia | Garcinia events twice as common in one study (Onakpoya 2011, garcinia meta) |
| Liver injury | Green tea extract, garcinia | Case reports; uncommon (LiverTox, green tea) |
Who is at risk
Who is most at risk from fat burner effects?
People who are sensitive to caffeine, take medicines or have heart, liver, thyroid or sleep problems face the most risk.
Caffeine sensitivity differs widely; a dose that one person shrugs off can leave another shaking. Add the drinks you already have, since the totals stack. Pregnancy changes the limit, with ACOG advising under 200 mg a day, and the SodaSlim label bars use in pregnancy, in nursing and under 18.
Green tea extract and caffeine can interact with medicines, so a pharmacist should check your list. Our side effects page covers the capsule itself.
When to stop
When do fat burner effects mean you should stop?
Stop and get care for chest pain, fainting, a racing heart that will not settle or yellow skin or eyes.
Keep taking prescribed medicine; chest pain, fainting or trouble breathing: 911. Dark urine, yellow skin or eyes, or belly pain can point to the liver. Report a reaction to FDA (FDA report a problem).
- Racing or pounding heartbeat, chest painStop the capsules. Chest pain, fainting or trouble breathing: call 911 now. A racing heart that will not settle needs medical care.
- Jitters, shakiness, anxiety or no sleepCommon signs of too much caffeine. Stop, cut other caffeine and ask a clinician; FDA says the toxic range starts far above the daily reference.
- Dark urine, yellow skin or eyes, belly pain, nauseaCan be signs of liver trouble, which has been reported with green tea extract and garcinia products. Stop and get medical care the same day.
- Stomach pain, nausea or loose stoolsCommon with caffeine and garcinia. Stop and ask a clinician if it lasts.
- Rash, hives or swellingPossible allergy. Stop and get medical help; swelling of the face or throat or trouble breathing is an emergency.
Signs from (FDA, Spilling the Beans caffeine) (LiverTox, green tea) (LiverTox, Garcinia cambogia) (FDA report a problem). This list is not complete. A supplement is never a reason to wait.
SodaSlim capsules: 30 to a bottleOne capsule a day · 2, 3 or 6 bottles · price and shipping shown at checkout
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What does that mean for the SodaSlim capsule?
One SodaSlim capsule holds at least 138 mg of caffeine, which is above EFSA's 100 mg sleep note.
The coffee row may add more, and the label does not say how much. Two rows, green tea extract and garcinia, are the ones in the liver reports; no source says SodaSlim was involved. Track sleep, pulse and stomach in a simple log, and see the caffeine budget. Pack options follow.
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6 bottles: 180 days
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FAQ
SodaSlim questions people ask
Can fat burners cause heart palpitations?
Caffeine can cause a faster or pounding heartbeat, especially when the daily total is high. A racing heart that will not settle needs medical care, and chest pain or fainting means 911. Ask a clinician first if you have a heart condition.
How long do fat burner side effects last?
We found no source with a standard time. Caffeine effects usually fade as the dose wears off, but a late dose can disturb sleep. Stop the product and ask a clinician if any effect lasts or worsens.
Do thermogenic supplements cause stomach upset?
They can. Caffeine and garcinia are both linked to stomach complaints, and stomach events were twice as common with garcinia in one study. If pain, nausea or loose stools last, stop and ask a clinician.
Who wrote this
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Pages built from the label, the seller's brief and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is the information site of a USA Authorized SodaSlim Retailer. It is not the manufacturer, and the label names Gex Corporation LLP (Ogden, Utah) as the distributor. We earn money when you buy through our order links.
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