I'm going to try this stuff out. I've been getting calf cramps the last 30 minutes of 90 minute workouts, depending on the types of sets we're doing (it's worse on distance sets).
I saw a guy in my group chugging something after workout and he said he's less sore the next day if he drinks it.
i understand the point as well.
hammer provides links to the information contained in their advertising and i will leave it to the dedicated refrence librarians here to either follow those on their own time or not.
Most of the references have nothing to do with the subject matter and the ones that do, do not back Hammer's position.
I am not saying there is anything wrong with their drink, but their references are just advertising, not research.
1. I don't consider this a valid source. www.sourcewatch.org/index.php
2. "Therefore, fructose may be considered no worse than other sugars, but also no better." www.fasebj.org/.../2652
3. This article is about evolutionary biology. www.sciencemag.org/.../222
4. This article is about fructose and the Maillard reaction and makes a comparison to glucose in the same reaction. Making candies and carmels are examples of the Maillard reaction. www.ajcn.org/.../779S
5. Incorrectly cited. The name of the article is actually "Blood lipid distribution of hyperinsulinemic men consuming three levels of fructose". This paper compares fructose to starch and finds that replacing 7.5% or 15% of your starch with fructose will raise your LDLs. Since the comparison is strictly between starch and fructose, this doesn't tell you anything about different sugar substitutes.
6. First sentence of the conclusion: "Perhaps the most general conclusion that could be drawn from this review of the effects of dietary fructose on lipoprotein metabolism is how little we actually know." This article is a review of previous work, and thus a poor citation. You cite the original source when possible.
7. See 2
8. Most important finding that I can identify is that fructose evokes minimal increases in insulin when compared to glucose and sucrose. www.ajcn.org/.../1305.pdf
9. Explains how and why fructose is metabolised differently than glucose. Does not compare the effects of the two on the body in any way. www.ajcn.org/.../315.pdf
10. Cannot find a copy of the article.
11. See 1
12. See 2
13. Fructose vs. glucose in the purified diet of female rats raised kidney calcium contents. jn.nutrition.org/.../1320.pdf
14. Results were the same for HFCS and sucrose, but straight fructose caused diarrhea and higher mineral loss. www.ncbi.nlm.nih.gov/.../1574483
15. This is a study on people who have functional bowel disease. Not helpful. www.ncbi.nlm.nih.gov/.../3396816
16. "Theme is much uncertainty in the scientific community megamding the association between dietary sucrose and the health of elderly people and how, if at all, consumption of diets high in sucrose influences the average life span." www.ajcn.org/.../284S.pdf
17. Great reference! Joking of course, the website doesn't exist anymore.
18. Quotes are not evidence.
19. See 6
20. See 2
21. See 1
jazzy,
you obviously love the stuff so... if you will pm me your address, i will send you a bottle of caro (light or dark, your choice) that you can slather all over your frosted flakes or enjoy straight out of the bottle.
Really, from past comments, I gather he's probably one of the more diet conscious forumites and probably watches his sugar intake more closely than most.
I understand his point -- the most commonly used forms of HFCS (42 and 55) have the same fructose concentration as sucrose, which was used to sweeten foods before HFCS.
Like in:
Guthrie, FJ; Morton FJ (2000). "Food sources of added sweeteners in the diets of Americans". Journals of American Dietetic Association 100: 43–51.
gentlemen,
i have no vested interest in the promotion of hammer products. i started using them at the recommendation of several accomplished athletes that i admire and have had great success with them. having said that, it makes no sense for me to defend any claims regarding matters such as absorption rates or blood lipid levels..... my endorsement comes only from my preferences and experience, not from a journal.
i have forwarded a link to this thread to hammer. they certainly do have reason to defend the information they post. if they choose to respond, i will happily post it and the discussion can continue ad infinitum or not.
One of the primary flaws inherent with most sports drinks is their reliance on simple sugar as the carbohydrate source. The use of simple sugar such as glucose, sucrose, and fructose not only severely limits the amount of calories that can be efficiently digested and utilized for energy, it may cause wild fluctuations in energy levels. (from hammer... if i were a chemist, i would think for myself regarding this topic, but since others have already done the work, i may as well stand on their shoulders)
Advertising is not research. This is research: jap.physiology.org/.../1877
If you can find where maltodextrin is shown to be a better carb than any other carb for post workout recovery drinks, I would love to see it.
Maltodextrin has the same absorption rates as glucose, and a higher glycemic index, neither fact backs up Hammer's advertising claim of being a more stable energy source nor having a higher absorption rate than sugar.
I use Endurox and I am happy to recommend it to other people. Yep, it has sugar in it. Lots. And I find that yummy.
When it comes to one sports drink over another, use the one that you like the best. This is probably a taste difference more than anything since the formulations of macronutrients is approximately the same when comparing protein+carb drinks.
I understand his point -- the most commonly used forms of HFCS (42 and 55) have the same fructose concentration as sucrose, which was used to sweeten foods before HFCS.
Like in:
Guthrie, FJ; Morton FJ (2000). "Food sources of added sweeteners in the diets of Americans". Journals of American Dietetic Association 100: 43–51.
i understand the point as well.
hammer provides links to the information contained in their advertising and i will leave it to the dedicated refrence librarians here to either follow those on their own time or not.
1. Beatrice Trum Hunter, "Confusing Consumers About Sugar Intake," CONSUMERS' RESEARCH 78, no 1 (January 1995): 14-17.
2. Judith Hallfrisch, "Metabolic Effects of Dietary Fructose," FASEB JOURNAL 4 (June 1990): 2652-2660.
3. H. F. Bunn and P. J. Higgins, "Reaction of Nonosaccharides with Proteins; Possible Evolutionary Significance." SCIENCE 213 (1981): 2222-2244.
4. William L Dills Jr., "Protein Fructosylation: Fructose and the Maillard Reaction," AMERICAN JOURNAL OF CLINICAL NUTRITION 58 (suppl) (1993): 779S-787S.
5. J. Hallfrisch et al., "The Effects of Fructose on Blood Lipid Levels," AMERICAN JOURNAL OF CLINICAL NUTRITION 37, no, 3 (1983): 740-748
6. Claire B. Hollenbeck, "Dietary Fructose Effects on Lipoprotein Metabolism and Risk for Coronary Artery Disease," AMERICAN JOURNAL OF CLINICAL NUTRITION 58 (suppl), (1993): 800S-807S.
7. Hallfrisch, 1990.
8. J. Macdonald, Anne Keyser, and Deborah Pacy, "Some Effects, in Man, of Varying the Load of Glucose, Sucrose, Fructose, or Sorbitol on Various Metabolites in Blood," AMERICAN JOURNAL OF CLINICAL NUTRITION 31 (August 1978)): 1305-1311.
9. D. Zakim and R. H. Herman, A Fructose Metabolism II, @ AMERICAN JOURNAL OF CLINICAL NUTRITION 21: 315-319, 1968
10. A. E. Bender and K. B. Damji, "Some Effects of Dietary Sucrose," WORLD REVIEW OF NUTRITION AND DIETETICS 15 (1972): 104-155.
11. Hunter
12. Hunter
13. A. E. Bergstra, A. G. Lemmens, and A. C. Beynens, "Dietary Fructose vs. Glucose Stimulates Nephrocalcinogenesis in Female Rats," JOURNAL OF NUTRITION 123, no. 7 (July 1993): 1320-1327.
14. R. Ivaturi and C. Kies, "Mineral Balances in Humans as Affected by Fructose, High Fructose Corn Syrup and Sucrose," PLANT FOODS FOR HUMAN NUTRITION 42, no. 2 (1992): 143-151.
15. J. J. Rumessen and E. Gudmand-Hoyer, "Functional Bowel Disease: Malabsorption and Abdominal Distress After Ingestion of Fructose, Sorbitol, and Fructose-Sorbitol Mixtures," GASTROENTEROLOGY 95, no. 3 (September 1988): 694-700.
16. Roger B. Mc Donald, "Influence of Dietary Sucrose on Biological Aging," AMERICAN JOURNAL OF CLINICAL NUTRITION 62 (suppl), (1995): 284s-293s.
17. www.NutritionNewsFocus.com, May 25, 2000.
18. H. Hallfrisch, et al., AThe Effects of Fructose on Blood Lipid Levels, @ AMERICAN JOURNAL OF CLINICAL NUTRITION, 37: 5, 1983, 740-748.
19. Klevay, Leslie, acting director of the U.S. Agriculture Department Human Nutrition Research Center, Grand Forks, N.D.
20. Hollenback
21. Hallfrisch.
22. Hunter
This is from the article you just linked to. It is a very disingenuous trick to say that because HFCS can have up to 80 percent fructose it necessarily does. It doesn't. Therefore, the remainder of that article is based upon an incorrect assumption. The HFCS in the food that people actually consume is about 50/50 fructose/glucose, just like sucrose.
jazzy,
you obviously love the stuff so... if you will pm me your address, i will send you a bottle of caro (light or dark, your choice) that you can slather all over your frosted flakes or enjoy straight out of the bottle.
One of the primary flaws inherent with most sports drinks is their reliance on simple sugar as the carbohydrate source. The use of simple sugar such as glucose, sucrose, and fructose not only severely limits the amount of calories that can be efficiently digested and utilized for energy, it may cause wild fluctuations in energy levels. (from hammer... if i were a chemist, i would think for myself regarding this topic, but since others have already done the work, i may as well stand on their shoulders)
