Vitamin B1 100 mg®
Single Vitamin & MineralBrand: Mason Natural
Net Contents
100 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
Not specified
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report a %DV; 1 meet or exceed 100% DV.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Soy
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin B1(Thiamine Hydrochloride) | 100 mg | 8333% |
| Calcium(Dicalcium Phosphate) | 35 mg | 2% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Adults - Take one tablet daily, preferably with food, as a dietary supplement.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your physician before use.
Precautions re: All Other
Discontinue use and consult your physician if any adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Tamper-evident seal: Do not use product if seal appears tampered.
Storage
Storage
Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).
Formulation
Formulation re: Other
May support Conversion of food into energy
Formulation re: Does NOT Contain
Guaranteed no added: Sugar, starch, wheat, corn, dairy, yeast, soy, egg, fragrance, artificial colors or flavors, and preservatives. Sodium free.
Formulation re: Does NOT Contain
Soy free
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Other Label Statements
General Statements: All Other Content
Est. 1967
Brand IP Statement(s) re: (c), (TM), (SM)
Mason Natural is a registered trademark and does not refer to any product or ingredient claim.
Manufacturer & Distributor
Distributor
Mason Vitamins, Inc.
Miami Lakes, FL, 33014
1-888-860-5376
Market Reference
Mason Natural Vitamin B-1 mg
Mason Natural4.7(707)$7.59(5 pack) Mason Natural Vitamin B1 (Thiamin) 100 Tablets, Size: 100 mg
Walmart - Nutrients Best, a Mason Natural Certified Vendor4.7(707)$30.36Mason Natural B1 250mg 100 Tablets
Pharmaholic4.7(707)$37.00Mason Natural Ultra B-100 Complex
CVS Pharmacy4.8(101)$12.49Mason Natural Vitamin B1 (Thiamin) 100 mg - Healthy Conversion of Food into Energy Supports Nerve and Immune Health 100 Tablets (Pack of 3)
GoSupps.com4.7(707)$59.99(3 pack) Mason Natural Vitamin B1 (Thiamin) 250 mg, 100 Tablets
Walmart - Nutrients Best, a Mason Natural Certified Vendor4.7(707)$22.10Mason Vitamins - 31184507791 - Vitamin Supplement Mason Natural Vitamin B 100 mcg Strength Tablet 100 per Bottle Mason Vitamins 31184507791
Neobits.com$25.95MASON Vitamin B1 250Mg - 100 Tablets
Nexus Care4.7(707)$30.34
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
The Vitamin Shoppe
4.7 (123)Vitamin & supplements store
7140 N McCormick Blvd, Lincolnwood, IL 60712
Whole Foods Market
4.4 (1079)Grocery store
6300 Kingery Hwy, Willowbrook, IL 60527
Walgreens
3.2 (115)Drug store
5440 N Clark St, Chicago, IL 60640
Meijer
4.3 (3615)Supermarket
9200 S Western Ave, Evergreen Park, IL 60805
Whole Foods Market
4.4 (3165)Grocery store
255 E Grand Ave, Chicago, IL 60611
Walgreens
3.7 (230)Drug store
151 N State St Fl 1st, Chicago, IL 60601
Nueva Vida Health Food Store
4.7 (24)Health food store
4900 W Cermak Rd, Cicero, IL 60804
Whole Foods Market
4.3 (1313)Grocery store
225 W Touhy Ave, Park Ridge, IL 60068
Research & Studies
Further observations on induced thiamine (vitamin B1) deficiency and thiamine requirement of man: Preliminary report
RD Williams, HL Mason - Mayo Clinic Proceedings, 1941 - mayoclinicproceedings.org
… Six other subjects were maintained on diets which provided 1.0, 1.5 or 2.0 mg. of thiamine in the food. A comparison of excretions of “natural” and crystalline vitamin B 1 will be …
194138 citationsObservations on induced thiamine (vitamin B1) deficiency in man
RD Williams, HL Mason, RM Wilder… - Archives of Internal …, 1940 - jamanetwork.com
… three of us (Williams, Mason and Smith) in December 1939. … vitamin B1 than commonly is reported in association with the syndrome of beriberi. This diet was made adequate in vitamin A…
1940215 citationsInvestigating the impact of selected B vitamins (B1, B2, B6, and B12) on acute colitis induced experimentally in rats
N Dalayeli, V Hajhashemi, A Talebi… - International Journal of …, 2024 - journals.lww.com
… Vitamin B1 is a water-soluble vitamin and is absorbed in the ileum and jejunum by active and passive uptake. [ 5 ] Symptoms of thiamin deficiency mainly include fatigue, loss of appetite…
20247 citationsInduced thiamine (vitamin B1) deficiency in man: relation of depletion of thiamine to development of biochemical defect and of polyneuropathy
RD Williams, HL Mason, MH Power… - Archives of Internal …, 1943 - jamanetwork.com
… women were maintained on a basal diet which provided 0.15 mg. ofthiamine per day (0.075 … of vitamin A and 4,000 international units of vitamin D), 120 mg. of ascorbic acid, 1.0 mg. of …
1943142 citationsInduced vitamin B1 deficiency in human subjects
RD Williams, HL Mason… - Mayo Clinic …, 1939 - mayoclinicproceedings.org
… Mason: The method which we have used for the determination of vitamin B 1 , or thiamin, in the urine and in food, is essentially the thiochrome method of Jansen. This method has …
193955 citationsWhat you need to know about multivitamins
D Schardt - Nutrition Action Healthletter, 2011 - go.gale.com
… are taking in more than 800 to 1,000 micrograms a day from fortified foods or supplements," says Mason. The folate that occurs naturally, mostly in fruits and vegetables, isn't a problem. …
2011
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-11-21. DSLD Label ID: 240001. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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