IM8 Daily Ultimate Essentials Review 2026: Misleading Claims

Possible side effects

• The most common complaints are diarrhea, nausea, abdominal cramps, and other digestive upset.

Serious risks

• High intakes may raise urinary oxalate and uric acid, which could contribute to kidney stones, especially in people with renal disorders.
• The best evidence that vitamin C contributes to kidney stones is in patients who already have hyperoxaluria.
• In people with hereditary hemochromatosis, long-term high doses could worsen iron overload and cause tissue damage.
• A few in vitro studies suggested that supplemental oral vitamin C, acting as a pro-oxidant, could cause chromosomal or DNA damage and possibly contribute to cancer.
• In postmenopausal women with diabetes in the Iowa Women's Health Study, supplemental vitamin C of at least 300 mg/day was significantly associated with a higher risk of dying from CVD.

Avoid or ask a doctor first if

• People with hereditary hemochromatosis face a concern about iron overload with chronic high doses.
• The upper limits do not apply to people receiving vitamin C as medical treatment, who should be under a physician's care.
• Infants should get vitamin C only from formula and food.

Medication interactions

• Vitamin C supplements may interact with radiation therapy and with medications, including chemotherapy drugs and statins.
• People taking these medications regularly should talk with their health care providers about vitamin C intake.

Possible side effects

• Insomnia or digestive upsets may occur.

Serious risks

• The source says no serious side effects have been reported.

Avoid or ask a doctor first if

• CoQ10 may not be compatible with some types of cancer treatment.

Medication interactions

• CoQ10 may interact with the blood thinner warfarin and the diabetes drug insulin.

Possible side effects

• Stomach upset, loose stools, nausea, and drowsiness are listed as common side effects, and ODS calls them mild.
• NCCIH says some people may get drowsiness, stomach upset, diarrhea, and vomiting.
• Increased heart rate variability has been reported.

Serious risks

• There are a few reports of more serious side effects, including effects on liver function.
• In reported liver injury cases, people's conditions improved over time after they stopped the supplement, and some also received medical treatment.
• NCCIH describes liver injury cases linked to ashwagandha supplements and calls them rare.
• Three case reports describe thyrotoxicosis in women taking ashwagandha extract.
• In all three thyrotoxicosis cases, stopping ashwagandha resolved the symptoms.

Avoid or ask a doctor first if

• Some experts advise pregnant women not to use ashwagandha, because some reports suggest it could cause spontaneous abortion.
• NCCIH says to avoid ashwagandha during pregnancy and not to use it while breastfeeding.
• NCCIH does not recommend it before surgery or for people with autoimmune or thyroid disorders.
• People with hormone-sensitive prostate cancer should avoid it because it may raise testosterone.

Medication interactions

• Ashwagandha might interact with thyroid hormone medications.
• It might also interact with antidiabetes drugs, antihypertensives, immunosuppressants, and sedatives.
• NCCIH lists diabetes, high blood pressure, immunosuppressant, sedative, anti-seizure, and thyroid hormone medications.

Possible side effects

• Oral turmeric can cause digestive effects such as nausea, vomiting, reflux, stomach upset, diarrhea, or constipation.
• Topical curcumin can cause hives or itching.

Serious risks

• Liver damage has been reported in some people who used curcumin products with increased bioavailability.
• Highly bioavailable curcumin formulations may harm the liver.

Avoid or ask a doctor first if

• Turmeric supplements during pregnancy may be unsafe.
• Little is known about safety of turmeric above food amounts while breastfeeding.
• If liver damage symptoms appear, stop turmeric or curcumin products immediately and talk with a health care provider.

Medication interactions

• The source gives a general warning that some herbs and medicines interact in harmful ways; talk to a provider before using any herbal product if you take medicine.

Possible side effects

• Milk thistle taken orally appears to be well tolerated. The most common side effects are digestive symptoms.

Serious risks

• Milk thistle may cause allergic reactions, especially in people allergic to related plants.
• Some supplements have silymarin amounts far from the label, or contain pesticides, microorganisms, or mycotoxins.

Avoid or ask a doctor first if

• People allergic to related plants such as ragweed, chrysanthemum, marigold, and daisy are named as more likely to react.
• Little is known about whether milk thistle is safe during pregnancy or breastfeeding.

Medication interactions

• People taking any medicine should talk with a health care provider before using milk thistle, since some herbs and medicines interact in harmful ways.

Possible side effects

• Side effects are usually minor and consist of self-limited gastrointestinal symptoms such as gas.

Serious risks

• Probiotic use has been linked to bacteremia, fungemia, and infections that led to severe illness, mostly in severely ill or immunocompromised people.
• Severe or fatal infections have been reported in premature infants given probiotics, and the FDA has warned health care providers.
• In a Boston ICU analysis, 6 of 522 patients given LGG had the ingested LGG found in their blood, versus 2 of 21,652 who did not receive it.
• Possible harms include infections, harmful substances produced by the probiotic microorganisms, and transfer of antibiotic resistance genes.
• Some products have contained microorganisms not listed on the label, which in some instances may pose serious health risks.

Avoid or ask a doctor first if

• For high-risk people such as premature infants or seriously ill hospital patients, the risks of probiotics should be carefully weighed against their benefits.
• For people with compromised immune function or other serious underlying diseases, the WGO advises restricting probiotic use to strains and indications with proven efficacy.
• Consult a health care provider before taking a probiotic supplement, especially with health problems. Anyone with a serious underlying condition should be monitored closely.

Possible side effects

• High blood calcium from vitamin D toxicity can lead to nausea, vomiting, muscle weakness, and other symptoms.

Serious risks

• Toxicity can cause high blood and urine calcium. In extreme cases it may lead to kidney failure, soft tissue calcification, heart rhythm problems, and death.
• Toxicity is almost always caused by taking too much vitamin D through supplements.

Avoid or ask a doctor first if

• The source says people on regular medications should talk with their health care providers about vitamin D intake and status.

Medication interactions

• Vitamin D supplements may interact with orlistat, statins, steroids, and thiazide diuretics.
• Taking calcium supplements with vitamin D supplements may raise the risk of certain adverse effects.

Possible side effects

• High zinc intakes can cause nausea, dizziness, headaches, gastric distress, vomiting, and loss of appetite.

Serious risks

• Doses of 50 mg or more taken for weeks can interfere with copper absorption, reduce immune function, and lower HDL cholesterol.
• Very high supplemental doses (142 mg/day) might interfere with magnesium absorption and disrupt magnesium balance.
• According to a few reports, overuse of zinc-containing denture adhesive creams can lead to neurological symptoms and anemia.

Avoid or ask a doctor first if

• The upper limits don't apply to people receiving zinc for medical treatment, who should be under a physician's care.
• Zinc-free denture adhesive formulations are available to prevent the effects linked to zinc-containing creams.

Medication interactions

• Zinc may interact with quinolone antibiotics, tetracycline antibiotics, and penicillamine.
• Some diuretics can lower serum zinc by increasing zinc excretion in urine.
• People taking medications regularly should discuss their zinc status with their health care providers.

Possible side effects

• Raw or unripe elderberries and other elder tree parts can cause nausea, vomiting, and severe diarrhea.

Serious risks

• Large quantities of the toxin in raw or unripe elderberries and other elder parts may cause serious illness.

Avoid or ask a doctor first if

• Little is known about whether elderberry is safe for health purposes during pregnancy or breastfeeding.

Medication interactions

• People who take any type of medicine are told to talk with their health care provider before using elderberry or other herbal products, because some herbs and medicines interact in harmful ways.