ISSUED IN PUBLIC INTEREST (REPOST)
Careful, when you are using a powerful pre-workout or a fat burner, esp. over the weekend… Pre-workout or fat-loss ‘thermogenic’ supplements will typically contain a cocktail of ingredients which work by stimulating the adrenergic system – caffeine (the main ingredient), synerphrine (ephedrine alternative), yerba mate (contains 3 stimulant xanthines – caffeine, theobromine, theophylline), yohimbine (stimulant and aphrodisiac), tyramine (monoamine derived from tyrosine, acts as a catecholamine (dopamine, NE, Epi) releasing agent – increases blood pressure and acts as a neurotransmitter, DMAA, guarana (natural source of caffeine), green tea extracts (caffeine and catechins), and others!
Since, overdosing on stimulants can cause grave adverse effects – it is best to exercise caution on the days you consumed a strong pre-workout; here are some foods or drinks that you need to be wary of:
1. (Black) coffee, green tea
2. Red Bull, Mountain Dew, Dr Pepper, Coke, and similar
3. Party drugs (amphetamines ‘ecstasy’, cocaine, similar)
4. Nootropics – modafinil, and others
5. Alcohol (evidence equivocal)
6. Cigarette smoking
7. Prescription drugs like thyronorm (avoid fat burners / pre-workouts when you have been prescribed thyroid hormones for hypothyroidism
DISCLAIMER: Dr. Deepak S. Hiwale and Conditioning Clinic does not claim the accuracy or completeness of the list of drugs, ingredients and / or commercial products mentioned, nor does it vouch for the accuracy of the information contained here-in. Needless to say, it is best to consult your physician / nutrition and / dietitian for advice on use of supplements – ergogenic or otherwise.
CONDITIONING CLINIC 
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