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CL Answer
Can prenatal vitamins have too much folic acid? Mine has 800 mcg, but isn't that more than what's recommended? Is this dangerous to me or my baby?
Is it possible for prenatal vitamins to have too much folic acid? Find out the correct dosage so that it is not dangerous to babies.
Clinical Update
7/24/2021
Vitamin D and Pregnancy Outcomes
Can taking vitamin D during pregnancy reduce the risk of preterm labor, low birth weight or pregnancy loss? Find out what a recent study showed in the Pregnancy section of our Vitamin D Supplements Review. Also, see our Top Picks among vitamin D supplement.
Product Review
Vitamin D Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin K)
Find the Best Vitamin D Supplement with the Right Dose
Clinical Update
9/17/2019
Fish Oil in Pregnancy?
Several studies have evaluated the effects of taking fish oil during pregnancy, including a recent study seeking a reduction in premature births. Find out if fish oil helps in the During Pregnancy: Effects on Children section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil.
Clinical Update
8/14/2021
COVID Vaccination During Pregnancy
Vaccination is now recommended during pregnancy. Get the latest details in our article about COVID Vaccines.
Clinical Update
10/24/2020
Vitamin D & Pregnancy
Maintaining sufficient blood levels of vitamin D during pregnancy is associated with better health for both mother and baby, including a decreased risk of gestational diabetes, according to a new study. Get the details in the Pregnancy section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Product Review
Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review
Find the Best Fish Oil & Compare to Prescription Omega-3 Drugs. See Our Top Picks Among Fish Oil & Other Omega-3 Supplements for Adults, Children and Pets.
Product Review
Choline and Lecithin Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Which B Vitamins Are ConsumerLab's Top Picks!
Product Review
Ginger Supplements, Chews & Spices Review
Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.
Clinical Update
11/01/2022
Coffee & Children’s Height
A recent study linked coffee intake during pregnancy to slightly lower height of children. Learn more in the pregnancy section of our CL Answer about the effects of coffee.
Clinical Update
9/12/2020
Fish Oil During Pregnancy
Does taking fish oil during pregnancy lead to cognitive benefits in children? Find out what a recent study showed in the What It Does section of Fish Oil Supplements Review. Also see our Top Picks for fish oil.
Clinical Update
12/31/2021
Prenatal Choline Improves Attention in Children
Mothers who took higher doses of choline during pregnancy were found to have children with improved attention, according to a recent study. See the details in the During Pregnancy and Lactation section of our Choline Supplements Review. Also see our Top Picks among choline supplements.
Clinical Update
5/15/2020
High Blood Pressure Risk With Too Much Folic Acid During Pregnancy
While it is important to take folate during pregnancy, a new study suggests that too much folic acid from supplements increases the risk of high blood pressure in mothers. See the details in the Folic Acid section of the B Vitamin Supplements Review.
Also see our Top Pick among prenatal vitamins, which provides adequate (but not too much) folic acid, in our Multivitamin and Multiminerals Supplements Review.
Clinical Update
4/23/2019
Fish Oil During Pregnancy
Does taking fish oil during pregnancy yield children with higher IQs? Find out what studies are showing in the What It Does section of the Fish Oil Supplements Review. Also see our Top Picks for fish oil supplements and other sources of omega-3 fatty acids.
Clinical Update
12/17/2016
Vitamin D and Autism Risk
Children whose mothers are vitamin D deficient during pregnancy are much more likely to have autistic traits by age six than those whose mothers have sufficient levels during pregnancy, according to a new study. Get the details, as well as our reviews of vitamin D supplements, in the "What It Does" section of the Vitamin D Supplements Review »
Clinical Update
3/26/2017
DHA to Boost Children's IQ?
Supplementing with DHA during pregnancy has been touted as a way to increase the IQ of offspring, but results published this week seem to quash that hope. However, there may be other benefits, particularly for women with normally low intake of DHA, as discussed in the section "During Pregnancy: Effects on Children" in the Fish Oil and Omega-3 Fatty Acid Supplements Review >>
Clinical Update
4/15/2017
Probiotic Reduces Diabetes Risk In Pregnancy
Taking a certain type of probiotic during pregnancy reduced the risk of gestational diabetes, according to a new study. For details see the "What It Does" section of the Probiotic Supplements Review >>
Clinical Update
7/16/2016
Fish Intake During Pregnancy Increases Child's IQ
Consuming fish during pregnancy is associated with increased IQ in children, according to a recent study. Get the details in the Fish Oil and Omega-Fatty Acid Supplements Review >>
Clinical Update
7/12/2014
Vitamin D & Calcium for Diabetes Due to Pregnancy
A new study found supplementation with a combination of vitamin D and calcium improved fasting blood sugar levels, serum insulin levels, and insulin sensitivity in women with gestational (pregnancy-related) diabetes. For more details, including dosage, as well as our tests and comparisons of vitamin D and calcium supplements, see the update to the Vitamin D Supplements Review (Including Calcium, Vitamin K, Magnesium) >>
Clinical Update
2/25/2018
Folic Acid, Multis & Autism Risk
The use of a folic acid or multivitamin supplement during pregnancy was associated a reduced risk of autism spectrum disorder in children according to a recently published study. Be aware, however, that high-dose folic acid during pregnancy may have negative effects. For details, see the Folic Acid section of the B Vitamins Review.
Clinical Update
8/07/2011
DHA in Pregnancy
The omega-3 fatty acid, DHA, is known to be important to fetal development and is recommended for pregnant woman. A new study suggests that DHA during pregnancy may reduce early colds in some infants. An update to the Fish Oil Supplements Review includes the dose and type of DHA used. More >>
Clinical Update
5/03/2014
Does Fish Oil Help During Pregnancy?
A recent study shows that, at age 4, children born to women given DHA-rich fish oil during pregnancy do not fare better cognitively than other children. Other positive effects around the time of birth, however, suggest that supplementation may be worthwhile. For details, as well as our tests of fish oil supplements, see the Fish Oil and Omega-3 Fatty Acid Supplements Review (Including Krill, Algae, Calamari, Green-lipped Mussel Oil) >>
CL Answer
How do the COVID-19 vaccines compare in terms of efficacy, safety and side effects? How, when and where do I get the COVID-19 vaccine?
Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.
CL Answer
Is it better for a fish oil (or krill oil) supplement to have more DHA than EPA?
Information on EPA and DHA in fish and krill oil supplements, including improving cognition, depression, anxiety, acne, and more.
Product Review
Multivitamin and Multimineral Supplements Review
Find the Best Multivitamin and Prenatal Supplements -- Including Multis for Pets
CL Answer
Is drinking coffee good or bad for heart health?
Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.
CL Answer
Top 8 Supplements for Vegetarians and Vegans
Find out which 8 supplements may be needed by vegetarians or vegans to meet all their daily nutrient requirements and learn ways to find supplements that do not contain ingredients objectionable to people following vegetarian or vegan diets.
Product Review
Kelp Supplements Review
Choose the Best Kelp Supplement. Be Cautious With Kelp! Only 50% of Supplements Pass CL's Review.
Product Review
Probiotic Supplements Review (Including Pet Probiotics)
Probiotics: See What They Really Contain and Our Top Picks
CL Answer
What is inositol hexaphosphate (IP6) and myo-inositol? Are they helpful in treating cancer or other conditions?
Inositol hexaphosphate (IP6): Find out if IP6 (also known as phytic acid) can prevent or treat cancer. Clinical evidence, dosage, safety and how IP6 differs from myo-inositol. Consumerlab.com's answer explains.
CL Answer
Is it true that iodine can cause acne or other skin problems?
Information on iodine causing acne and other skin problems such as rashes and hives. ConsumerLab.com's answer explains.
CL Answer
Which vitamins and supplements are good for acne, and are there any that make it worse?
Information about supplements for acne and clearer skin. Plus, find out which vitamins and supplements can make acne worse.
CL Answer
Are "medical foods" such as VSL 3, proven to work? Does the FDA approve them?
What are medical foods? Info on whether they work, if they are approved by the FDA, and how they differ from regular foods and supplements. ConsumerLab.com's answer explains.
Clinical Update
12/13/2020
How Important Is Prenatal Vitamin D?
Does high-dose vitamin D during pregnancy improve motor skills and cognition in offspring? Learn what a recent study showed in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Clinical Update
5/08/2014
Lycopene May Improve Fertility
A new review of clinical studies reports lycopene supplementation improved measures of sperm health in men and increased pregnancy rates. For details, as well as our tests of lycopene supplements, see the updated Lycopene Supplements Review >>
Clinical Update
3/07/2015
Vitamin D Helps in Pregnancy
A new study showed that giving vitamin D to women with low levels of vitamin D resulted in a dramatic reduction in pre-term labor, pre-eclampsia, and gestational diabetes compared to untreated women. For details, see the Vitamin D Supplements Review >>
Clinical Update
1/06/2013
Vitamin D and Pregnancy
A recent study shows that low levels of vitamin D in pregnant women are associated with a higher risk of babies born small for their gestational age. For details, see the update in the Vitamin D Supplements Review, which includes our tests of vitamin D supplements and extensive information about the use of vitamin D. More >>
Clinical Update
2/05/2012
Fish Oil During Pregnancy Reduces Allergy in Infants
Last year we reported important findings from a study of fish oil given to pregnant women. A further analysis of that study shows another benefit of daily fish oil for pregnant women -- their babies have nearly a 40% lower risk of egg allergies. A lower risk of eczema was also found, although this association did not hold after adjusting the data for certain factors. See the update to the Fish Oil Supplements Review, which includes details on this study, the type and amount of fish oil taken, and our latest product tests.
Clinical Update
8/09/2019
Vitamin D During Pregnancy
Does giving expectant mothers a high dose of vitamin D reduce the risk of tooth defects in their children? Find out in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Clinical Update
3/15/2016
Vitamin D and MS
A study found that children born to women significantly deficient in vitamin D during pregnancy were much more likely to develop multiple sclerosis as adults. For details, see the "What It Does" section of the Vitamin D Supplements Review >>
Clinical Update
12/02/2017
Autism Risk With Low Vitamin D
Babies born with very low blood levels of vitamin D are more likely to be autistic, according to a new study. This is consistent with a study published last year showing a higher rate of autistic children in mothers with very low vitamin D blood levels during pregnancy. Get the details in the "What It Does" section of the Vitamin D Supplements Review >> (Also see our Top Picks among vitamin D supplements.)
Clinical Update
1/13/2018
Take Choline When Pregnant
It was recommended last year that women take a choline supplement when pregnant. Adding momentum to this recommendation is a recent study showing that giving pregnant women a larger amount of choline than normally considered adequate resulted in improved information processing speeds in their infants. Currently, choline is not found in most prenatal vitamins. For more information, see the During Pregnancy and Lactation section of the Choline Supplements Review. (Also see our Top Picks among products.)
Clinical Update
11/16/2018
Probiotic Lowers Eczema Risk in Children
The risk of eczema in children was reduced by 54% when a specific probiotic was taken by mothers during pregnancy and then by their infants, according to a new study. The probiotic also reduced the incidence of gestational diabetes among the mothers. For details, see the What It Does section of the Probiotic Supplements Review. (Also see our Top Picks for probiotics.)
Clinical Update
2/25/2020
Vitamin D for Mom Affects Baby's Bones
Taking high-dose versus very-low-dose vitamin D during pregnancy led to greater bone density in offspring, according to a recent study. But, there are important caveats. Get the details in the What It Does section of the Vitamin D Supplements Review. Also see our Top Picks for vitamin D.
Clinical Update
11/18/2022
Is Chamomile Tea Safe?
A CL member asked if chamomile tea is safe to drink. It’s generally safe in moderation, but there are concerns with drinking large amounts and with regular consumption during pregnancy. For details, see the Chamomile tea section in our CL Answer about supplements for improving sleep.
Product Review
Ginseng Supplements Review
Find the Best Ginseng Supplement. Key "Ginsenosides" Found to Range 10-Fold Across Products.
CL Answer
Is there a multivitamin that contains only the recommended daily vitamins and minerals? Most that I have looked at contain more.
Are there any multivitamins that contain only the recommended daily vitamins and minerals? Choose the best multivitamin based on age & gender.
CL Answer
Which dietary supplements and health foods contain high levels of lead?
Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
Product Review
Calcium and Bone Health Supplements Review (Including Vitamins D & K, Magnesium and Boron)
See Which Bone Health Supplements Are Top Picks and Which Fail
Clinical Update
9/06/2017
Lower Cognitive Function in Kids Linked to High Prenatal Folic Acid
Children of mothers who took high amounts of folic acid around the time of pregnancy had lower cognitive and verbal scores when tested at 4 to 5 years of age, according to a new study. Similarly, as we reported last year, pregnant women with higher levels of folate (from folic acid) had offspring with higher rates of autism. While it is important that pregnant women get a moderate amount of folic acid to prevent spinal cord defects, higher amounts should be avoided. See the Folate section of the B Vitamin Supplements Review for details.
CL Answer
What are trace minerals and do I need them?
Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.
CL Answer
Which supplements may help with PCOS (polycystic ovarian syndrome)?
Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.
CL Answer
Is kratom too dangerous to use?
Find out if kratom is safe/legal to use, including potential adverse effects, such as agitation, rapid heartbeat, nausea, drowsiness, seizures. ConsumerLab.com's answer explains.
CL Answer
Do any supplements help for varicose veins or chronic venous insufficiency?
Find out which supplements help for varicose veins and chronic venous insufficiency, including citrus bioflavonoids and grape seed extract.
CL Answer
Are supplements such as Thyroid Care Plus helpful for hypothyroidism? Can supplements worsen thyroid function? And what is nascent iodine?
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.
Product Review
Lycopene Supplements Review
Find the Best Lycopene Supplements. CL Tests Reveal That Not All Lycopene Supplements Contain What They Claim.
Product Review
St. John's Wort Supplements Review
Find the Best St. John's Wort Supplement. Only 40% of St. John's Wort Supplements Pass Tests & Strength Varies Widely.
Product Review
Seaweed Snacks and Foods Review
Tests Reveal Seaweed Snack Risks
CL Answer
What are the health benefits of green tea, and is it safe?
ConsumerLab explains green tea's potential health benefits for everything from fighting cancer to helping your heart.
CL Answer
Do arnica pills, gels, creams, or sprays reduce bruising, pain, or swelling?
Find out if arnica pills, gels, creams, or sprays can reduce bruising, pain, or swelling, help with varicose veins, or muscle pain after exercise.
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn What They Do
Product Review
Magnesium Supplements Review (Including Calcium, Boron, and Vitamins D & K)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
News Release
12/22/2020
Best and Worst Ginger Supplements, Chews & Spices Identified by ConsumerLab. Contamination, Less Ginger Than Expected in Some Products.
White Plains, New York, December 22, 2020 — Ginger is not only a popular spice but may reduce nausea from motion sickness and pregnancy and modestly decrease pain from osteoarthritis. Key compounds in ginger known as gingerols are believed to be active components of ginger.
Recalls & Warnings
7/06/2021
Limar Hand Sanitizer Recalled
On July 1, 2021, Ardil Comercial recalled one lot of Limar Hand Sanitizer packaged because its packaging resembles water bottles which could pose a risk of ingestion.
Recalls & Warnings
6/22/2021
Prairie Wolf Hand Sanitizer Recalled
On June 21, 2021, Prairie Wolf Spirits, Inc. recalled all lots of Prairie Wolf Distillery hand sanitizer packaged in 16.9 fluid ounce and 20 fluid ounce containers that resemble water bottles because the products pose a risk of ingestion.
Recalls & Warnings
3/18/2021
Hand Sanitizer Recalled Because Packaging Resembles Water Bottle
On March 17, 2021, PNHC, LLC d/b/a Heal the World recalled all lots of Heal the World hand sanitizer because the product is packaged in containers resembling water bottles.
News Release
9/13/2016
Best Fish Oil? ConsumerLab.com Tests 44 Popular Omega-3 Supplements and Identifies Its Top Picks
White Plains, New York, September 13, 2016 — Fish oil and omega-3 fatty acid supplements containing EPA and DHA are among the most popular supplements, and clinical studies suggest a wide range of potential benefits, from improving mental health to treating inflammatory disease.
Recalls & Warnings
9/19/2022
Colgate Toothpastes, Fixodent, Poligrip, & Other Personal Care Products Recalled by Family Dollar
On September 15 and 16, 2022, Family Dollar issued a recall of certain toothpastes, mouthwashes and denture adhesives, as well as other personal care products, because the products were stored and shipped outside of labeled temperature requirements.
Recalls & Warnings
10/06/2020
Hand Sanitizers Marketed for Children, Packaged in Containers Resembling Food and Drink Recalled
On October 1, 2020, Ashtel Studios recalled six hand sanitizers because they are packaged in containers resembling food and drink pouches. Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.
Recalls & Warnings
9/10/2020
Hand Sanitizer Labeled as "Edible" Recalled
On September 3, 2020, CorgioMed LLC recalled one lot of Leafree Instant Hand Sanitizer Aloe Vera because they are labeled "edible alcohol." Hand sanitizers can be toxic if ingested, and can cause lack of coordination, slowed or slurred speech, drowsiness, coma, or death.
News Release
4/09/2014
Best Fish Oil? ConsumerLab.com Testing Finds Many High Quality Supplements, But Pitfalls Exist
White Plains, New York, August 10, 2014 — Recent laboratory tests of fish oil, krill oil, algal oil, calamari oil, and green-lipped mussel oil supplements by ConsumerLab.com revealed quality problems with four out of 30 supplements selected for review.
News Release
1/14/2013
Lycopene Supplements Vary in Quality and Price According to ConsumerLab.com
White Plains, New York, January 14, 2013 — Lycopene supplements, which contain the red, antioxidant pigment found in tomatoes, vary widely in price and quality, according to a recent review by ConsumerLab.com.
News Release
8/22/2012
Contamination and Other Problems Found in Fish Oil Supplements -- Large Review by ConsumerLab.com Reveals Excessive PCBs or Mislabeling in Over 30% of Omega-3 Supplements
August 22, 2012 — The quality of fish oil / omega-3 supplements varies across brands, according to recent tests by ConsumerLab.com, which independently reports on the quality of health products. Analyses of 35 products selected and purchased by ConsumerLab.
News Release
3/31/2009
ConsumerLab.com Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Upper Intake Levels
WHITE PLAINS, NEW YORK — MARCH 31, 2009 — Over 30% of multivitamins recently selected for testing by ConsumerLab.com were found to contain significantly more or less ingredient than claimed or were contaminated with lead.
News Release
1/19/2007
Consumers warned of problems with multivitamins — ConsumerLab.com uncovers defects in over half of products tested
WHITE PLAINS, NEW YORK — JANUARY 19, 2007 — Fifty-two percent of multivitamins recently selected for testing by ConsumerLab.com were found to be contaminated with lead, unable properly break apart, or to contain significantly more or less ingredient than claimed.
News Release
10/10/2006
Care advised with natural cold remedies: ConsumerLab.com finds few products with proper quality and directions — ConsumerLab.com offers advice from tests of echinacea, garlic, ginseng, vitamin C, and zinc supplements
WHITE PLAINS, NEW YORK — TUESDAY, OCTOBER 10, 2006 — Autumn is the beginning of "cold season" — the period through early spring when people are most likely to develop a cold. But based on ConsumerLab.
News Release
1/03/2006
Tests of memory enhancing supplements by ConsumerLab.com reveals lead in some ginkgo
WESTCHESTER COUNTY, NEW YORK — TUESDAY, JANUARY 3, 2006 — In its new test report on Memory Enhancement Supplements, ConsumerLab.com has revealed finding significant amounts of lead in certain products on the market.
News Release
6/15/2005
Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.
WHITE PLAINS, NY — JUNE 15, 2005 — ConsumerLab.com has released its latest report on the quality of magnesium supplements sold in the U.S. In addition to being an essential mineral, magnesium may help prevent migraine headaches, menstrual pain, PMS, and leg cramps during pregnancy.
Recalls & Warnings
4/11/2013
Chinese Herbal Manufacturer Warned For CGMP Violations
On March 20, 2013, the FDA issued a warning letter to Finemost Corporation, dba Qualiherb, following a facility inspection which found the company's supplements, including Yi Zhi Tang and C.
News Release
3/30/2005
ConsumerLab.com finds most B-vitamins of high quality but three lacking in ingredients — Test Results for 41 Products Reported Along with Information on Use
WHITE PLAINS, NY — MARCH 30, 2005 — ConsumerLab.com reported test results today for B vitamin supplements that it recently purchased in the U.S. and Canada.
Recalls & Warnings
8/05/2016
Seller of Fertilix Warned By FDA
On July 22, 2016, the FDA issued a warning letter to CellOxess LLC, following a review of the company's websites, social media pages and marketing literature which found statements made about Fertilix Preconceptual, Fertilix Low Dose and Fertilix Max to be drug claims.
Recalls & Warnings
8/31/2012
Recent Cases of Lead Poisoning From Ayurvedic Medications from India
Public health officials have reported six cases of lead poisoning among foreign-born women who took Ayurvedic herbal products imported from India. The cases were reported by the New York City Department of Health and Mental Hygiene.
Recalls & Warnings
6/30/2013
Warning Over Excessive Iodine Intake From Supplements, Including Kelp
On June 5, 2013, the American Thyroid Association (ATA) advised that children and adults, including pregnant and lactating women, consume no more than 500 mcg of iodine daily from iodine and kelp supplements.
Recalls & Warnings
3/28/2011
Dangerously High Levels of Vitamins A and D in Product Prompt FDA Warning
On March 28, the U.S. FDA warned consumers to stop using Soladek, a vitamin-solution product marketed by Indo Pharma, S.A., of the Dominican Republic, because the product may contain dangerously high levels of vitamins A and D.
Recalls & Warnings
10/29/2008
Two Vitamin C Supplements Recalled in Canada for Vitamin A Risk
On October 28, 2008, Health Canada warned Canadians, expecially expectant mothers, not to use two vitamin C products sold under the brand names New Roots Herbal Vitamin C8 and Vitazan Professional Vitamin C Advanced Ascorbate.
Recalls & Warnings
12/08/2011
HCG Diet Products Don't Work and Are Illegal Says FDA
On December 6, 2011, the U.S. FDA warned consumers to avoid homeopathic HCG weight-loss diet products because they don't work, often make unsupported claims, and are illegal for sale. In addition, some of these products direct user to follow a potentially dangerous diet.
