Blackstrap Molasses Side Effects

| Modified on Apr 10, 2023
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Blackstrap Molasses is an inexpensive and popular home remedy, yet not without side effects for some.  Earth Clinic readers report a variety of side effects from using blackstrap molasses including cramping and diarrhea, hives, increase in mucous, sugar cravings and increase in blood sugar. Sometimes taken to promote weight loss, some have found it caused weight gain instead. Some women find that it helps to regulate menstrual bleeding, yet at least one Earth Clinic reader reports that it increased menstrual bleeding.

Blackstrap molasses is a high nutrient food commonly taken to help with anemia, heart health, increase in energy, gray hair reduction, headaches, hot flashes and restless leg syndrome. Earth Clinic readers have also been delighted to find that it can be helpful for pets, too. Some readers report that it helps with their dogs' arthritis!

Avoiding Side Effects of Blackstrap Molasses

To reduce the risk of side effects, start with a small dose and increase slowly if it suits you. Purchase a high quality molasses.  Some readers find that taking blackstrap molasses with food reduces side effects.  Certainly discontinue the use of molasses if it causes you to have side effects.

If you experience side effects from blackstrap molasses, please be sure to let us know!

Additional Pages of Interest:

Blackstrap Molasses Cures

Blackstrap Molasses for Pets

5 User Reviews


Posted by Dianna (Austin, Tx) on 03/18/2009

i wanted to take blackstrap molasses and after trying a teaspoon of it in my morning coffee had very bad side effects that included high blood sugar, diaherrea, cramps and dizziness. so i stopped after 2 days. however that month when my period came i noticed that i had no cramping or clots at all. so i realized that the molasses (even taken that 2 times with the bad side effects) had a good effect on my period. so i tried taking it again with similar side effects and had to stop.

however, i realized that i could eat it in cookies. it doesn't have side effects when i make whole wheat gingerbread cookies sweetened with molasses. so i figured maybe just taking it directly in coffee was what was the problem. so i tried putting 1/2 a teaspoon in my daily smoothie! success! now i am taking a teaspoon a day in my daily smoothie!

i thought i would post this for other people who for whatever reason found they couldn't take blackstrap molasses straight. seems that when it is mixed with food that it doesn't have any of the side effects - which from what i've learned seem to be from the natural occuring sulfites.

Replied by David W.
(Near Waterloo, Ontario, Canada)

Hi Dianna,

I realize your post was more than 12 yeas ago, I just had to comment. The side effects that you experienced was that the BSM caused a cleansing action of your body attempting the removal of toxic matter in your systems. This overload causes you to feel sick, tired and can also be painful. If you could take smaller amounts as you found this works well, it slows down the toxic overload, drink lots of water, 2-3 qts a day helps remove toxins easier. Exercise is also another good way to aid in the removal of toxins. All disease stems from toxicity, cancer is a fungus, simple as that. Reduce Fungus, Candida and Yeast infestations in the body and your body's immune system will take care of you. Cleansing can be painful, removing toxicity from decades of poor eating habits takes time and patience but well worth it to feel great and energized every day.

Posted by Hupee (Austin, TX, USA) on 02/15/2009
0 out of 5 stars

ok, read this!! i'm one of these. Crazy about GOOD food!...I mean ALL NATURAL DIET most possible. So, I workout a lot (almost every day) since years. Eat extra lean proteins and #1 carbs and u know fruits, vegs ...etc. I'm the same size and weight sinse years but fit. Here's the things, I increased BLACK STRAP MOLLASSES in my daily diet lately....OUFF!!....AT LEAST 2 big spoons a day, the few first days was stable, but after like a week, I increased my weight almost at 70% more then use to be!!....I had way more endurance and all that!!....BUT!!!!....right after that week I felt very tired all the time and at the gym was very hard to be right on!!???....I was taking naps oftenly all the time??...not too much motivation...Then, I did search on that BLACK STRAP molasses and here I am doing....Wondering after all this reading then I did, if I did OVERDOSE the iron level or I don't know?????....Now I stopped since 2 days, and still don't know??...what do you all think??...let me know, thank. ?molasses is good or not???small dose or not at all???

Posted by Helen (Long Island, NY) on 02/05/2009
0 out of 5 stars

After taking molasses I have developed hives. I took molasses for two mornings and have more and more hives.

Replied by Helen
(Long Island, NY)

I wrote yesterday about having hives which I attribute to taking molasses. Well, after trying many remedies for the hives, I finally have relief from rubbing the hives with garlic! I was so desperate that I remembered garlic was so good for so many things, what did I have to lose. I tried it on a little spot and since it didn't burn, I tried it on another spot and it seemed to take the itch out. I am hoping it is the magic remedy. I have used many of the remedies on Earth Clinic and most of them have worked, so I hope this one does too. I love Earth Clinic; it is the first place I go for first aid.

EC: Thank you for the update! Cross-posted to the Hives Remedies page.

Posted by Fee (Melbourne , Victoria) on 10/01/2008
0 out of 5 stars

I've been taking blackstrap molass in my coffee every day for the last 3 weeks and haven't noticed any changes in reversing gray hair. I'll keep at it until the jar finishes and see how that goes.

It provides me with a lot of energy. After a run, i normally get tired but takign 2 teaspoons with a drink, i don't feel the need for a nap. However, the calories in it makes you very fat if you don't work it off and I noticed that it gives me a lot of phlegm when I take it.

Posted by Annie (Melbourne, Australia) on 03/05/2008
0 out of 5 stars

hi all, i have been takin 2tbls of bsm and have just stopped as my skin on my face looked like it was aging and dry i no it has a lot of sugar in it and i was just wonderin if anyone sle had same problem, im a bit dissapointed as i really liked it, would love to hear if anyone else had similar problems, cheers

Posted by Sania (Delhi, India) on 03/01/2008
0 out of 5 stars

I had used molasses for uterine fibroids. But unstead of lessening my bleeding I bled much more. Infact I had to take medication to stop this heavy flow . I would like to iquire if molasses thins the blood. Please let me know --or may be it was due to some yoga exercises.