Zotrim®
Research Evidence
Weight Loss Data
Zotrim has been independently investigated in five studies. In summary, the 223 subjects that took
Zotrim lost an average of 0.7 kg (1.5 lb) per each 10-day period. In the key study1 47
overweight subjects took either
Zotrim tablet or a placebo (dummy tablet) for 45 days. Those taking
Zotrim lost an average of 5.1 kg (11.2 lbs) whereas those taking placebo lost just 0.3 kg (0.7 lb). In a shorter, placebo-controlled study1 with 44
overweight subjects, those taking
Zotrim lost an average of 0.8 kg (1.8 lb) versus 0.3 kg (0.7 lb) for placebo over 10 days.
In three further ‘open’ label studies average
weight-loss was:
Ø 2.3 kg over 28 days in 48 subjects wishing to
loss weight2
Ø 1.8 kg over 28 days in 56
overweight women3
Ø 2.3 kg over 42 days in 73
overweight healthcare professionals4
In the most recent study4 it was reported that over the relatively short period of 42 days that 22% of subjects achieved a clinically significant
loss of weight, equal to >5% of original body
weight!
Weight Loss Management Data
A key success factor of any
weight–loss regime is whether the
weight loss is maintained or whether the
weight lost is rapidly regained (the “yo-yo” effect’).
Zotrim has been shown to give lasting
weight loss results:
23 subjects who had
lost weight with
Zotrim were studied for a further 12 months and instructed to take
Zotrim again if they gained more than 1 kg1. The group had almost the same average
weight (72.5 kg) at the end of the 12 months as at the start (73kg)! This demonstrates the effectiveness of
Zotrim in
weight loss management!
Slimmer Waistline Data
A
slimmer waistline is a key objective of most
dieters, but it is also increasingly used as an important indicator of risk of diseases such as heart disease with advice that men should have a waist measurement of less that 37cm and women less than 32 cm. Two of the ‘open’ label studies with
Zotrim investigated ‘
waistline loss’
· 4.3 cm average
waistline loss was achieved in 56 overweight women in 28 days3.
· 3.6 cm average
waistline loss and 3.7 cm average hip measurement loss was achieved in 73
healthcare professionals over 42 days4.
Zotrim therefore helps users get into ‘great shape’.
Eating Control Data
There is significant evidence that
Zotrim helps you to both eat less during meals and to snack less between meals. Our feeling of fullness (satiety) is controlled by links between the brain, nervous system and gastro-intestinal tract. This includes ‘satiety’ signals that indicate when we have eaten enough and should stop eating. For example, a hormone called cholecystokinin (CCK) is released into the blood as food is digested, acts on receptors in the brain, which then slows the rate of stomach emptying.
The initial evidence for an effect of
Zotrim was on slowing the rate of stomach emptying1. Using ultrasound studies with 7 subjects who drank 400 ml apple juice, the stomach emptied much more slowly (average 58 minutes) after taking one dose of
Zotrim compared to then taking a placebo tablet (emptying in 38 minutes). This indicated that
Zotrim, by slowing the rate of stomach emptying, should make us feel fuller longer and stop snacking between meals.
This was supported by a study with 20 subjects, 10 of which took
Zotrim and 10 of which took
placebo for 20 days5. In the last week they were asked to record time to fullness during meals. Perception of fullness occurred much sooner when taking
Zotrim, for example, at lunch the average time to perceived fullness was decreased from 21.5 minutes to 12 minutes!
In the latest study with
healthcare nurses, between meal snacking and attitude to fullness and hunger was monitored4. It was found that:
Ø Between-meal
snacking decreases (by a half) from the start of the study compared to six weeks of
Zotrim use:
· From 1.15 to 0.72 mid afternoon
· From 1.84 to 0.69 in evening
Ø When taking
Zotrim less than 20% reported that they ‘did not feel full unless they had eaten a large portion’ compared with over 60% at the start of the study
Ø Between meal hunger ratings reduced from a high rating of ‘5’ at the start of the study to medium ‘3’ when taking
Zotrim and increased again when
Zotrim was stopped.
The unique patented
Zotrim formulation
Zotrim contains a special combination of extracts from three South American plants that have a long history of use in foods for wellbeing and
weight loss8. The formulation was developed and optimised through extensive research and testing by an international team of medical researchers. The three plants used in
Zotrim are:
Yerbe Maté (Ilex Paraguariensis); an evergreen tree, which grows widely in South America. Its leaves are used to make a refreshing stimulating tea particularly in Paraguay and Argentina.
Damiana (Turnera difusa); is a small shrub native to Mexico and found elsewhere in Central America. Its leaves have been used for several traditional food uses including as an aphrodisiac.
Guarana (Paullinia cupana); is a creeping shrub native to the Amazonian rain forests. Its seeds are used to produce a stimulating drink similar to caffeine drinks. There is increasing evidence that guarana improves mental and cognitive performance
The
Zotrim formulation is covered by granted patents in many countries throughout Europe and in the USA9.
Zotrim and
Weight Loss
Weight loss and management of a lower weight is achieved simply by eating less calories and/or by “burning off” more calories usually by more exercise.
Zotrim has a dual mode of action, which addresses both sides of the ‘eat-less calories’ and the ‘burn-off-more calories’ equation:
Eat less calories: Zotrim helps you to:
Ø feel full sooner during a meal so that you tend to consume less at a meal
Ø feel satisfied after a meal so that you tend to snack less
Burn more calories:Zotrim contains natural plant extracts from guarana and yerba maté, which are mild
stimulants and invigorators having a caffeine-like effect.
As a result,
Zotrim:
Ø can help us to be generally more active
Ø ‘burn off’ more calories than we would otherwise do
Zotrim can therefore assist
weight-loss and
weight management even without changes of food choice or activity levels! However, you are recommended to eat healthily, watch calorie intake and to try to be more active. Even mild exercise such as walking an additional 15 - 20 minutes per day can play an important contribution.
Zotrim can thus be used with any chosen diet regime,
weight management programme or exercise programme to increase the chance of success.
How does
Zotrim compare to other
weight loss products?
A) To other food supplements:Of many food supplement
weight loss products on the UK market, only
Zotrim provides scientific evidence via
placebo-controlled studies. In a recent review6 on the efficacy of active ingredients for over the counter,
weight management products it was concluded: ‘the results showed little evidence for most weight loss claims, with the exception of a formulation containing
Yerbe Mate,
Guarana and
Damiana’ (all contained in
Zotrim).
B) To diet programmes:The average rate of
weight loss (kg per week) on
Zotrim compares very favourably with that reported in a randomised trial from various
weight loss programmes tested for eight weeks4:
Zotrim (45 day placebo control) 0.79
Zotrim (mean of all trials) 0.50
Slim Fast 0.46
Weight Watchers 0.59
Atkins
diet 0.65
NB:
Zotrim may be used with
diet programmes to increase success.
C) To prescription drugsA recent review7 reported the limited efficacy of prescription drugs for
weight loss. Analysing trials of over one year duration, the average
weight losses achieved over
placebo were:
Xenical 2.9 kg
Sibutramine 4.2 kg
Rimonabant 4.7 kg
By comparison,
Zotrim achieved a
weight loss of 4.7 kg over
placebo in 45 days! Additionally, most of the drug trials also included the need for
calorie controlled diets whereas
Zotrim does not!
References1. Andersen, T and Fogh, J (2001). ‘
Weight loss and delayed gastric emptying following a South American herbal preparation in overweight patients’, Journal of Human Nutrition and Dietetics, Vol. 14, pp. 243-250.
2. Ruxton, C. H. S. (2004). Efficacy of
Zotrim: a
herbal weight loss preparation,
Nutrition and Food Science, Vol. 34, pp. 25-28.
3. Ruxton, C. H. S., Hinton, F. and Evans, C. E. (2005), ‘Effects of an over-the-counter herbal
weight management product (
ZotrimTM) on weight and waist circumference in a samples of overweight women: a consumer study’,
Nutrition and food Science, Vol. 35, pp. 303-314.
4. Ruxton, C. H. S., Kirkwood, L., McMillan, B., StJohn, D., and Evens, C. E. L., (2007), Effectiveness of a herbal supplement (ZotrimTM) for
weight management’, British Food Journal, Vol. 109, pp. 416-428.
5. Andersen, T. S., (2002), ‘Early sensation of gastric fullness following a herbal preparation used for
weight loss’, 3rd
Health and
Nutrition Conference, London.
6. Ruxton, C. H. S. and Gardner, E. J., (2005) ‘A review of the efficacy and safety of key ingredients of over-the-counter products for
weight management’ British
Food Journal, Vol. 107, pp. 111-124.
7. Rucher, D., Padwal, R., Li, S. K., Curioni, C., and Lau, D. C. W. (2007), ‘Long term pharmacotherapy for
obesity and
overweight: updated meta-analysis’, British
Medical Journal, bmj. 39385.413113.25
8. Taylor, L. (1998) ‘Herbal secrets of the rainforest; the healing power of over 50 medicinal plants you should know about’. Prima Publishing, California.
9. US patent 5,945,107; European patent 1 037 644.