Maxifiber by Lifeplan Products Limited

POSSIBLY EFFECTIVE

• Hypercholesterolemia. Most clinical research shows that oral pectin at a dose of 15 grams daily can slightly lower total cholesterol and low-density lipoprotein (LDL) cholesterol levels in patients with hypercholesterolemia. Details: While some small studies in patients with or without hypercholesterolemia suggest that pectin 1-12 grams daily for up to 12 weeks does not reduce lipid levels (2215,2217), other research in patients with hypercholesterolemia shows that taking pectin 15 grams daily for 4 weeks consistently reduces total cholesterol and LDL cholesterol by around 7% to 10% when compared with baseline or placebo (2214,2216,92473). Some forms of pectin might lower cholesterol levels better than others. Pectin with a higher molecular weight and higher degree of esterification appears to be the most effective (92473). A larger clinical study also shows that taking 20 grams of pectin and guar gum, along with small amounts of insoluble fiber, reduces total cholesterol by nearly 8% and LDL cholesterol by nearly 11%, but does not improve high-density lipoprotein (HDL) cholesterol or triglycerides, when compared with placebo (12547).

INSUFFICIENT RELIABLE EVIDENCE to RATE

• Colorectal cancer. Although there has been interest in using oral pectin for the prevention of colorectal cancer, there is insufficient reliable information about the clinical effects of pectin for this purpose.
• Diarrhea. It is unclear if oral pectin is beneficial in children with persistent diarrhea. Details: A small clinical study in children aged 5-12 months in developing nations with persistent diarrhea shows that taking pectin 4 grams/kg reduces the duration of diarrhea and vomiting, and reduces the need for oral rehydration solution and intravenous fluid, when compared with a rice-diet control (12575). Pectin has also been evaluated in combination with other ingredients. One clinical study in children aged 6 months to 6 years with acute diarrhea shows that taking a combination of apple pectin and chamomile (Diarrhoesan, Dr. Loges + Co. GmbH) for up to 5 days reduces the frequency of stools by day 3 by about 1.36-fold when compared with placebo, with improvements maintained through day 5. This combination product was given hourly up to a maximum dose of 50 mL in children 6-12 months of age, 60 mL in children 1-3 years of age, and 80 mL in children 4-6 years of age (19705). It is unclear if these findings are due to pectin, chamomile, or the combination.
• Gastroesophageal reflux disease (GERD). It is unclear if oral pectin is beneficial in children with GERD. Details: A small clinical study in children with GERD and cerebral palsy shows that adding pectin to enteral nutrition in a 1:2 ratio for 4 weeks might reduce some symptoms of GERD. The number of vomiting episodes per week was reduced by 60% and the frequency of coughing/wheezing was reduced by 76% for children given the pectin diet when compared with those given a non-pectin diet (92476).
• Impaired glucose tolerance (Prediabetes). It is unclear if oral pectin is beneficial in patients with impaired glucose tolerance. Details: A small clinical study in middle-aged patients with impaired glucose tolerance or impaired fasting glucose shows that drinking 400 mL of a beverage containing 40 grams/L of sugar beet pectin in two divided doses daily for 12 weeks does not improve fasting or postprandial plasma glucose concentrations or serum lipid levels when compared to baseline (34118).
• Irritable bowel syndrome (IBS). Although there has been interest in using oral pectin for IBS, there is insufficient reliable information about the clinical effects of pectin for this purpose.
• Mercury toxicity. It is unclear if oral pectin is beneficial in patients with mercury toxicity. Details: A small clinical study in children with mercury poisoning shows that taking pectin 2.5 grams daily for 21 days and then 5 grams daily for 39 days increases mercury excretion in the urine, decreases the duration of mercury toxicity, and improves psychological symptoms when compared to baseline (31657). The validity of these findings is limited by the lack of a comparator group.
• Niacin-induced flushing. It is unclear if oral pectin is beneficial for the prevention or management of niacin-induced flushing. Details: A small clinical study shows that taking apple pectin 2 grams 30 minutes prior to taking niacin extended-release 1000 mg reduces the duration of flushing by about 35 minutes when compared with placebo. However, apple pectin does not reduce the incidence of flushing, the time to flush, or the maximum severity of flushing (92477).
• Peptic ulcers. It is unclear if oral pectin is beneficial for the prevention of peptic ulcers. Details: A small clinical study in patients with recently healed duodenal ulcers shows that taking apple pectin 10 grams twice daily for 6 months does not reduce the recurrence of duodenal ulcers when compared with placebo (31697).
• Prostate cancer. It is unclear if oral pectin is beneficial in patients with prostate cancer. Details: Two small clinical studies in patients with prostate cancer show that taking a specific modified citrus pectin product (Pectasol, Econugenics) 4.8 grams three times daily following prostatectomy, radiation, or cryosurgery for up to one year slows disease progression and increases the time to prostate specific antigen (PSA) doubling when compared to baseline (15020,108525). The validity of these findings is limited by the lack of a comparator group.
• Radiation exposure. Although there has been interest in using oral pectin to minimize exposure to environmental radiation, there is insufficient reliable information about the clinical effects of pectin for this purpose. More evidence is needed to rate pectin for these uses.

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LIKELY SAFE ...when used in amounts commonly found in foods. Pectin has Generally Recognized as Safe (GRAS) status in the US (4912).

POSSIBLY SAFE ...when used orally in amounts greater than those typically found in food. Pectin 4.8 grams three times daily has been used for up to one year without serious adverse effects (12547,15019,15020,92481,108525).

CHILDREN: POSSIBLY SAFE
when used orally in amounts greater than those found in food, short-term. Pectin 4 grams/kg has been used daily for up to 7 days without reports of serious adverse effects (12575,19705).

PREGNANCY AND LACTATION: LIKELY SAFE
when used in amounts commonly found in foods. Pectin has Generally Recognized as Safe (GRAS) status in the US (4912).

PREGNANCY AND LACTATION: POSSIBLY SAFE
when used orally in medicinal amounts (12577).

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DIGOXIN (Lanoxin) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Theoretically, pectin might reduce the absorption of digoxin, potentially decreasing its effectiveness.  Details A small clinical study shows that taking digoxin with a kaolin-pectin suspension reduces the absorption of digoxin by about 62% (2212). It is unclear if these effects are due to pectin, kaolin, or the combination.

LOVASTATIN (Mevacor) Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = D Theoretically, pectin might reduce the absorption of lovastatin, potentially decreasing its effectiveness.  Details Case reports suggest that concomitant use of pectin and lovastatin might reduce the cholesterol-lowering effect of lovastatin, possibly due to reduced intestinal absorption of lovastatin (615).

TETRACYCLINE ANTIBIOTICS Interaction Rating = Moderate Be cautious with this combination. Severity = Moderate •  Occurrence = Possible •  Level of Evidence = B Theoretically, pectin might reduce the absorption of tetracycline antibiotics, potentially decreasing their effectiveness.  Details A small clinical study shows that taking tetracycline with bismuth subsalicylate in a kaolin-pectin suspension reduces the absorption of tetracycline by about 34% (2213). It is unclear if these effects are due to pectin, kaolin, bismuth subsalicylate, or the combination.

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General ...Orally, pectin seems to be well tolerated.
Most Common Adverse Effects:
Orally: Diarrhea, gas, loose stools, and mild cramps.
Serious Adverse Effects (Rare):
All routes of administration: Allergic reactions, including anaphylaxis, in sensitive individuals.

Gastrointestinal ...Orally, pectin alone or in combination with guar gum and insoluble fiber can cause gastrointestinal adverse effects such as mild cramps, diarrhea, gas, and loose stools (12547,15020,92473).

Immunologic ...Orally and topically, pectin may cause allergic reactions in sensitive individuals. In one case, a 7-year-old boy with a history of oral allergy syndrome after consuming a pectin-containing beverage experienced anaphylaxis after taking a citrus bath containing pectin. Allergy testing confirmed sensitivity to pectin (106928).

Pulmonary/Respiratory ...The occupational inhalation of pectin dust can cause asthma (580,581,582,583,584).

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