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15 votes
2 answers
318 views

After how long will one see symptoms of lack of B12?

Suppose a person goes vegan and neither eats food items with B12 nor supplements, i.e., doesn't take vitamin B12 at all. After how much time will the symptoms be visible and after how much time will ...
3 votes
2 answers
220 views

Which is healthier: beef burgers or vegan burgers?

I'm trying to figure out if it's healthier to eat beef burgers or these "vegan burger" alternatives. I know that factory farming is bad for the climate and, of course, the animals. So I ...
33 votes
6 answers
1k views

What is a good source of Vitamin B12 for a vegan?

My understanding is that Vitamin B12 is a vitamin that vegetarians and meat eaters get from animals and animal products; how can I obtain this vitamin as a vegan? Can I live without it safely?
4 votes
2 answers
99 views

Multivitamins for vegans?

Are there multivitamins designed for those with a vegan diet? Such that they have proportionally more of the vitamins vegans are deficient in (B12, calcium, etc.)?
9 votes
1 answer
115 views

What is the ecological impact of producing vegan supplements?

Since one of the reasons that I follow a vegan diet for is the relatively lower ecological impact that it has on the planet, I was wondering whether there are some studies looking into the ecological ...
6 votes
2 answers
80 views

How to identify a vegan supplement?

If I am considering supplements to balance my dietary intake, how do I identify if they are vegan? To clarify, if I have altered my diet to eliminate eating animals, how can I be sure that my ...
34 votes
7 answers
2k views

What are the main nutrient deficiency concerns for vegans?

What are the main nutrient deficiencies strict vegans are at risk of and how to avoid them?
6 votes
1 answer
82 views

How important is it to watch vitamin K2 levels?

I've read an article arguing about the importance of vitamin K2 for correct calcium management in the body. There is danger of having low vitamin K2 in a vegan diet. How important is it to watch ...
5 votes
2 answers
232 views

In order to prevent thrombosis, what supplements should vegans take?

In order to avoid thrombosis and for good heart health, what supplements should vegans take? Would taking white egg or yolk or milk cure thrombosis disease?
11 votes
1 answer
180 views

Are (plant-based) vitamin D₂ supplements as effective as vitamin D₃?

Many vegans and non-vegans have low vitamin D levels. Apart from synthesizing it with sunlight, it is possible to ingest it from the diet, but there are no natural, reliable vegan sources of vitamin D,...
5 votes
1 answer
327 views

Is iron deficiency anemia more common among vegans?

Is iron deficiency (and more severely, iron deficiency anemia) more prevalent among vegans? I've heard people say that it's important to eat red meat to get iron, but I've also heard several anecdotes ...
17 votes
3 answers
295 views

Do vegan diets contain enough calcium?

With lack of dairy products which comes from a cow, is it still possible to have enough calcium in your diet?
8 votes
2 answers
276 views

Can vegans get sufficient iodine from plants and iodized salt?

The trace element iodine is an essential nutrient for humans. According to some nutrition professionals, good sources of iodine are iodized salt, seafood and dairy products, while plants might be a ...
11 votes
4 answers
191 views

Vegans: Besides supplements, what can substitute for Calcium?

The RDA for Calcium is 900 mg for adults: what are some good calcium sources for vegans? I already know of: Tofu Please exclude: Any Calcium pills or supplements. Milk and any dairy products. ...
3 votes
1 answer
77 views

Do any vegan foods provide vitamin D₃?

Are there any non-animal whole foods that provide vitamin D₃? I know that vitamin D₃ can be obtained through supplements and vitamin D₂ is found in some mushrooms. Is sunlight the only other way for ...
10 votes
1 answer
115 views

Are calcium supplements harmful compared to calcium in whole foods?

I'm trying to be vegan, but it seems that vegan foods lack sufficient calcium to meet the Recommended Daily Intake of 1000 mg/day. I'm wondering if I should take calcium supplements, but I'm worried ...
5 votes
1 answer
157 views

How can vegans obtain sufficient zinc from whole foods?

Zinc is a mineral that we need in small amount every day for good health. Although zinc is found in many plant foods, it is less concentrated than in many animal-based foods. Males are known to have a ...
10 votes
2 answers
634 views

Does a vegan diet expose us to a higher risk of fractures?

Because vegan diets exclude dairy products, many people might be afraid that this can lead to calcium deficiency and subsequently higher risk of fractures. Does this happen? What does scientific ...
6 votes
1 answer
53 views

Is there a daily limit for absorption of vitamin B12?

I am interested in knowing whether there is some biologically imposed limit for an amount of B12 that human body can absorb per day. If so, what happens with the rest of the consumed B12? Is it just ...