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Description
PL B-12 Intrinsic Factor Progressive LaboratoriesFactors for Support of B 12 Bioavailability Vitamin B12 is a water soluble vitamin needed for normal nerve cell activity, DNA replication, and production of the mood affecting substance SAMe (S adenosyl Lmethionine). Vitamin B12 acts with folic acid and vitamin B6 to control homocysteine levels. Absorption of vitamin B12 is reduced with increasing age. Some research suggests that elderly people may benefit from 10 to 25 mcg per day of vitamin B12. One
Factors for Support of B-12 Bioavailability
Vitamin B12 is a water-soluble vitamin needed for normal nerve cell activity, DNA replication, and production of the mood-affecting substance SAMe (S-adenosyl-Lmethionine). Vitamin B12 acts with folic acid and vitamin B6 to control homocysteine levels.
Absorption of vitamin B12 is reduced with increasing age. Some research suggests that elderly people may benefit from 10 to 25 mcg per day of vitamin B12. One study of elderly people with vitamin B12 deficiency suggested that as much as 500 to 1,000 mcg of vitamin B12 per day might be necessary to achieve optimal vitamin B12 status. Vitamin B12 status was measured in this study using a sensitive laboratory test (the plasma methylmalonic acid concentration).
Supplementation with B-12 Intrinsic Factor:
• Supports nervous system health
• Supports red blood cell production
• Supports energy
• Supports metabolism of fats and carbohydrates
Absorption of vitamin B12 is reduced with increasing age. Some research suggests that elderly people may benefit from 10 to 25 mcg per day of vitamin B12. One study of elderly people with vitamin B12 deficiency suggested that as much as 500 to 1,000 mcg of vitamin B12 per day might be necessary to achieve optimal vitamin B12 status. Vitamin B12 status was measured in this study using a sensitive laboratory test (the plasma methylmalonic acid concentration).
Supplementation with B-12 Intrinsic Factor:
• Supports nervous system health
• Supports red blood cell production
• Supports energy
• Supports metabolism of fats and carbohydrates
Other Ingredients :
gelatin (capsule), rice flour, silica, maltodextrin.
Recommendations :
Take one capsule daily, or more, as directed by your healthcare practitioner.
If you are pregnant, nursing, or taking medication, consult your healthcare practitioner before use. Keep out of reach of children.
Servings:
60
| Ingredient | Amount | Daily Value |
|---|---|---|
| Folate [(6S)-5-methyltetrahydrofolic acid, glucosamine salt] Quatrefolic® | 800 mcg | 200% |
| Vitamin B-12 (as methylcobalamin) | 500 mcg | 8,333% |
| Biotin | 300 mcg | 100% |
| Intrinsic Factor | 20 mg | * |
| * Percent Daily Values (%DV) are based on a 2,000 calorie diet. | ||
| ** Daily Value (DV) not established. |
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4.8 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Best spray I’ve tried
Style: Spray (6 Oz)
Great product, worth the cost
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Perfect for people who take carry on bags flying to beach vacation!
Style: Spray (2 Oz)
THE only spray on sunscreen, that is NOT a 200 SPF, thats less than 3.5 ounces so TSA doesnt confiscate it from bag en route to Cancun. I keep a few in the drawer and take the partially used one from last trip to finish off plus a new sealed one as backup. Smells great and sprays a fine lovely mist so you dont fry. LOVE this product. A GREAT purchase. We dont check bags and its hard to find ANY product in under 3.5 ounce packaging. Sure you can pour sunscreen into bottles that mfg says do not leak, but youll learn the hard way that they DO leak all over the inside of your suitcase. Skip that learning experience and buy COOLA.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2024
★★★★★ 5
Best Sunscreen and Reef Safe
Style: Spray (6 Oz)
I've been using this sunscreen for a couple of years now and this is the one! The lotion and the spray are both great, smell good and are reef friendly and organic. They are pricey but my skin appreciates the extra!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2024
★★★★★ 5
Great sunscreen that smells good too!
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1), Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
This stuff actually smells good and the scent doesn't smell like chemicals. It comes out clear which is perfect because I bought it for my little blonde headed, fair skinned 16 month old. It's nice to not have his hair looking all weird with white sunscreen spray. Overall, very pleased with it! Came just in time for our trip to the zoo the other day!
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Worth it
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
Hands down the best sunscreen, we use it for the kids and for my wife and I as well. Does an amazing job and it smells good also.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2025
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